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Finding the Fourth Proportional to 97,233.40, 145,850.10 and 80,830.90

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Solution

The fourth proportional to 97,233.40, 145,850.10 and 80,830.90 is: 121,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,233.40 : 145,850.10 = 80,830.90 : x
  2. Step 2: Convert to fraction form
    97,233.40/145,850.10 = 80,830.90/x
  3. Step 3: Cross multiply
    97,233.40x = 145,850.10 × 80,830.90
  4. Step 4: Simplify right side
    97,233.40x = 11,789,194,848.09
  5. Step 5: Solve for x
    x = 11,789,194,848.09/97,233.40
  6. Step 6: Final answer
    x = 121,246.35

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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.