Home / 156,747.61-216,377.85-105,829.27

Finding the Fourth Proportional to 156,747.61, 216,377.85 and 105,829.27

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Solution

The fourth proportional to 156,747.61, 216,377.85 and 105,829.27 is: 146,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,747.61 : 216,377.85 = 105,829.27 : x
  2. Step 2: Convert to fraction form
    156,747.61/216,377.85 = 105,829.27/x
  3. Step 3: Cross multiply
    156,747.61x = 216,377.85 × 105,829.27
  4. Step 4: Simplify right side
    156,747.61x = 22,899,109,909.67
  5. Step 5: Solve for x
    x = 22,899,109,909.67/156,747.61
  6. Step 6: Final answer
    x = 146,089.05

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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.