Home / 113,243.07-156,285.15-62,951.79

Finding the Fourth Proportional to 113,243.07, 156,285.15 and 62,951.79

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Solution

The fourth proportional to 113,243.07, 156,285.15 and 62,951.79 is: 86,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,243.07 : 156,285.15 = 62,951.79 : x
  2. Step 2: Convert to fraction form
    113,243.07/156,285.15 = 62,951.79/x
  3. Step 3: Cross multiply
    113,243.07x = 156,285.15 × 62,951.79
  4. Step 4: Simplify right side
    113,243.07x = 9,838,429,942.92
  5. Step 5: Solve for x
    x = 9,838,429,942.92/113,243.07
  6. Step 6: Final answer
    x = 86,878.87

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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.