Home / 124,744.76-172,147.84-67,384.08

Finding the Fourth Proportional to 124,744.76, 172,147.84 and 67,384.08

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Solution

The fourth proportional to 124,744.76, 172,147.84 and 67,384.08 is: 92,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,744.76 : 172,147.84 = 67,384.08 : x
  2. Step 2: Convert to fraction form
    124,744.76/172,147.84 = 67,384.08/x
  3. Step 3: Cross multiply
    124,744.76x = 172,147.84 × 67,384.08
  4. Step 4: Simplify right side
    124,744.76x = 11,600,023,822.39
  5. Step 5: Solve for x
    x = 11,600,023,822.39/124,744.76
  6. Step 6: Final answer
    x = 92,990.07

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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.