Home / 115,380.65-173,070.98-92,154.71

Finding the Fourth Proportional to 115,380.65, 173,070.98 and 92,154.71

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Solution

The fourth proportional to 115,380.65, 173,070.98 and 92,154.71 is: 138,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,380.65 : 173,070.98 = 92,154.71 : x
  2. Step 2: Convert to fraction form
    115,380.65/173,070.98 = 92,154.71/x
  3. Step 3: Cross multiply
    115,380.65x = 173,070.98 × 92,154.71
  4. Step 4: Simplify right side
    115,380.65x = 15,949,306,288.80
  5. Step 5: Solve for x
    x = 15,949,306,288.80/115,380.65
  6. Step 6: Final answer
    x = 138,232.07

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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.