Home / 142,523.28-213,790.38-63,638.19

Finding the Fourth Proportional to 142,523.28, 213,790.38 and 63,638.19

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Solution

The fourth proportional to 142,523.28, 213,790.38 and 63,638.19 is: 95,459.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,523.28 : 213,790.38 = 63,638.19 : x
  2. Step 2: Convert to fraction form
    142,523.28/213,790.38 = 63,638.19/x
  3. Step 3: Cross multiply
    142,523.28x = 213,790.38 × 63,638.19
  4. Step 4: Simplify right side
    142,523.28x = 13,605,232,822.61
  5. Step 5: Solve for x
    x = 13,605,232,822.61/142,523.28
  6. Step 6: Final answer
    x = 95,459.72

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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.