Home / 156,432.47-215,860.61-96,005.66

Finding the Fourth Proportional to 156,432.47, 215,860.61 and 96,005.66

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Solution

The fourth proportional to 156,432.47, 215,860.61 and 96,005.66 is: 132,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,432.47 : 215,860.61 = 96,005.66 : x
  2. Step 2: Convert to fraction form
    156,432.47/215,860.61 = 96,005.66/x
  3. Step 3: Cross multiply
    156,432.47x = 215,860.61 × 96,005.66
  4. Step 4: Simplify right side
    156,432.47x = 20,723,839,491.76
  5. Step 5: Solve for x
    x = 20,723,839,491.76/156,432.47
  6. Step 6: Final answer
    x = 132,477.87

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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.