Home / 106,155.74-159,261.15-31,278.53

Finding the Fourth Proportional to 106,155.74, 159,261.15 and 31,278.53

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Solution

The fourth proportional to 106,155.74, 159,261.15 and 31,278.53 is: 46,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,155.74 : 159,261.15 = 31,278.53 : x
  2. Step 2: Convert to fraction form
    106,155.74/159,261.15 = 31,278.53/x
  3. Step 3: Cross multiply
    106,155.74x = 159,261.15 × 31,278.53
  4. Step 4: Simplify right side
    106,155.74x = 4,981,454,658.11
  5. Step 5: Solve for x
    x = 4,981,454,658.11/106,155.74
  6. Step 6: Final answer
    x = 46,925.91

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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.