Home / 187,061.65-280,633.93-53,931.52

Finding the Fourth Proportional to 187,061.65, 280,633.93 and 53,931.52

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Solution

The fourth proportional to 187,061.65, 280,633.93 and 53,931.52 is: 80,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,061.65 : 280,633.93 = 53,931.52 : x
  2. Step 2: Convert to fraction form
    187,061.65/280,633.93 = 53,931.52/x
  3. Step 3: Cross multiply
    187,061.65x = 280,633.93 × 53,931.52
  4. Step 4: Simplify right side
    187,061.65x = 15,135,013,005.30
  5. Step 5: Solve for x
    x = 15,135,013,005.30/187,061.65
  6. Step 6: Final answer
    x = 80,909.23

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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.