Home / 89,427.64-134,153.34-29,436.28

Finding the Fourth Proportional to 89,427.64, 134,153.34 and 29,436.28

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Solution

The fourth proportional to 89,427.64, 134,153.34 and 29,436.28 is: 44,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,427.64 : 134,153.34 = 29,436.28 : x
  2. Step 2: Convert to fraction form
    89,427.64/134,153.34 = 29,436.28/x
  3. Step 3: Cross multiply
    89,427.64x = 134,153.34 × 29,436.28
  4. Step 4: Simplify right side
    89,427.64x = 3,948,975,279.18
  5. Step 5: Solve for x
    x = 3,948,975,279.18/89,427.64
  6. Step 6: Final answer
    x = 44,158.33

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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.