Home / 103,732.89-143,154.23-63,445.92

Finding the Fourth Proportional to 103,732.89, 143,154.23 and 63,445.92

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Solution

The fourth proportional to 103,732.89, 143,154.23 and 63,445.92 is: 87,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,732.89 : 143,154.23 = 63,445.92 : x
  2. Step 2: Convert to fraction form
    103,732.89/143,154.23 = 63,445.92/x
  3. Step 3: Cross multiply
    103,732.89x = 143,154.23 × 63,445.92
  4. Step 4: Simplify right side
    103,732.89x = 9,082,551,507.01
  5. Step 5: Solve for x
    x = 9,082,551,507.01/103,732.89
  6. Step 6: Final answer
    x = 87,557.10

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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.