Home / 99,586.97-137,428.23-54,265.34

Finding the Fourth Proportional to 99,586.97, 137,428.23 and 54,265.34

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Solution

The fourth proportional to 99,586.97, 137,428.23 and 54,265.34 is: 74,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,586.97 : 137,428.23 = 54,265.34 : x
  2. Step 2: Convert to fraction form
    99,586.97/137,428.23 = 54,265.34/x
  3. Step 3: Cross multiply
    99,586.97x = 137,428.23 × 54,265.34
  4. Step 4: Simplify right side
    99,586.97x = 7,457,589,626.55
  5. Step 5: Solve for x
    x = 7,457,589,626.55/99,586.97
  6. Step 6: Final answer
    x = 74,885.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.