Home / 102,367.92-153,479.18-39,134.76

Finding the Fourth Proportional to 102,367.92, 153,479.18 and 39,134.76

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Solution

The fourth proportional to 102,367.92, 153,479.18 and 39,134.76 is: 58,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,367.92 : 153,479.18 = 39,134.76 : x
  2. Step 2: Convert to fraction form
    102,367.92/153,479.18 = 39,134.76/x
  3. Step 3: Cross multiply
    102,367.92x = 153,479.18 × 39,134.76
  4. Step 4: Simplify right side
    102,367.92x = 6,006,370,678.62
  5. Step 5: Solve for x
    x = 6,006,370,678.62/102,367.92
  6. Step 6: Final answer
    x = 58,674.35

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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.