Home / 156,509.55-234,737.01-72,262.47

Finding the Fourth Proportional to 156,509.55, 234,737.01 and 72,262.47

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Solution

The fourth proportional to 156,509.55, 234,737.01 and 72,262.47 is: 108,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,509.55 : 234,737.01 = 72,262.47 : x
  2. Step 2: Convert to fraction form
    156,509.55/234,737.01 = 72,262.47/x
  3. Step 3: Cross multiply
    156,509.55x = 234,737.01 × 72,262.47
  4. Step 4: Simplify right side
    156,509.55x = 16,962,676,143.01
  5. Step 5: Solve for x
    x = 16,962,676,143.01/156,509.55
  6. Step 6: Final answer
    x = 108,381.09

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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.