Home / 131,569.92-181,562.88-71,953.92

Finding the Fourth Proportional to 131,569.92, 181,562.88 and 71,953.92

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Solution

The fourth proportional to 131,569.92, 181,562.88 and 71,953.92 is: 99,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,569.92 : 181,562.88 = 71,953.92 : x
  2. Step 2: Convert to fraction form
    131,569.92/181,562.88 = 71,953.92/x
  3. Step 3: Cross multiply
    131,569.92x = 181,562.88 × 71,953.92
  4. Step 4: Simplify right side
    131,569.92x = 13,064,160,942.49
  5. Step 5: Solve for x
    x = 13,064,160,942.49/131,569.92
  6. Step 6: Final answer
    x = 99,294.44

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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.