Home / 124,980.75-172,473.45-68,392.14

Finding the Fourth Proportional to 124,980.75, 172,473.45 and 68,392.14

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Solution

The fourth proportional to 124,980.75, 172,473.45 and 68,392.14 is: 94,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,980.75 : 172,473.45 = 68,392.14 : x
  2. Step 2: Convert to fraction form
    124,980.75/172,473.45 = 68,392.14/x
  3. Step 3: Cross multiply
    124,980.75x = 172,473.45 × 68,392.14
  4. Step 4: Simplify right side
    124,980.75x = 11,795,828,338.68
  5. Step 5: Solve for x
    x = 11,795,828,338.68/124,980.75
  6. Step 6: Final answer
    x = 94,381.16

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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.