Home / 157,472.24-236,159.90-45,122.36

Finding the Fourth Proportional to 157,472.24, 236,159.90 and 45,122.36

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Solution

The fourth proportional to 157,472.24, 236,159.90 and 45,122.36 is: 67,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,472.24 : 236,159.90 = 45,122.36 : x
  2. Step 2: Convert to fraction form
    157,472.24/236,159.90 = 45,122.36/x
  3. Step 3: Cross multiply
    157,472.24x = 236,159.90 × 45,122.36
  4. Step 4: Simplify right side
    157,472.24x = 10,656,092,025.36
  5. Step 5: Solve for x
    x = 10,656,092,025.36/157,472.24
  6. Step 6: Final answer
    x = 67,669.65

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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.