Home / 118,432.76-163,324.24-77,535.86

Finding the Fourth Proportional to 118,432.76, 163,324.24 and 77,535.86

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Solution

The fourth proportional to 118,432.76, 163,324.24 and 77,535.86 is: 106,925.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,432.76 : 163,324.24 = 77,535.86 : x
  2. Step 2: Convert to fraction form
    118,432.76/163,324.24 = 77,535.86/x
  3. Step 3: Cross multiply
    118,432.76x = 163,324.24 × 77,535.86
  4. Step 4: Simplify right side
    118,432.76x = 12,663,484,590.63
  5. Step 5: Solve for x
    x = 12,663,484,590.63/118,432.76
  6. Step 6: Final answer
    x = 106,925.53

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1.5x scale

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.