Home / 124,981.14-172,473.96-68,392.50

Finding the Fourth Proportional to 124,981.14, 172,473.96 and 68,392.50

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Solution

The fourth proportional to 124,981.14, 172,473.96 and 68,392.50 is: 94,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,981.14 : 172,473.96 = 68,392.50 : x
  2. Step 2: Convert to fraction form
    124,981.14/172,473.96 = 68,392.50/x
  3. Step 3: Cross multiply
    124,981.14x = 172,473.96 × 68,392.50
  4. Step 4: Simplify right side
    124,981.14x = 11,795,925,309.30
  5. Step 5: Solve for x
    x = 11,795,925,309.30/124,981.14
  6. Step 6: Final answer
    x = 94,381.64

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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.