Home / 97,310.10-145,965.15-89,436.90

Finding the Fourth Proportional to 97,310.10, 145,965.15 and 89,436.90

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Solution

The fourth proportional to 97,310.10, 145,965.15 and 89,436.90 is: 134,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,310.10 : 145,965.15 = 89,436.90 : x
  2. Step 2: Convert to fraction form
    97,310.10/145,965.15 = 89,436.90/x
  3. Step 3: Cross multiply
    97,310.10x = 145,965.15 × 89,436.90
  4. Step 4: Simplify right side
    97,310.10x = 13,054,670,524.04
  5. Step 5: Solve for x
    x = 13,054,670,524.04/97,310.10
  6. Step 6: Final answer
    x = 134,155.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.