Home / 125,311.50-172,929.96-68,723.10

Finding the Fourth Proportional to 125,311.50, 172,929.96 and 68,723.10

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Solution

The fourth proportional to 125,311.50, 172,929.96 and 68,723.10 is: 94,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,311.50 : 172,929.96 = 68,723.10 : x
  2. Step 2: Convert to fraction form
    125,311.50/172,929.96 = 68,723.10/x
  3. Step 3: Cross multiply
    125,311.50x = 172,929.96 × 68,723.10
  4. Step 4: Simplify right side
    125,311.50x = 11,884,282,934.08
  5. Step 5: Solve for x
    x = 11,884,282,934.08/125,311.50
  6. Step 6: Final answer
    x = 94,837.93

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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.