Home / 162,557.28-243,835.92-57,309.12

Finding the Fourth Proportional to 162,557.28, 243,835.92 and 57,309.12

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Solution

The fourth proportional to 162,557.28, 243,835.92 and 57,309.12 is: 85,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,557.28 : 243,835.92 = 57,309.12 : x
  2. Step 2: Convert to fraction form
    162,557.28/243,835.92 = 57,309.12/x
  3. Step 3: Cross multiply
    162,557.28x = 243,835.92 × 57,309.12
  4. Step 4: Simplify right side
    162,557.28x = 13,974,021,999.59
  5. Step 5: Solve for x
    x = 13,974,021,999.59/162,557.28
  6. Step 6: Final answer
    x = 85,963.68

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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.