Home / 124,519.36-186,906.17-91,140.28

Finding the Fourth Proportional to 124,519.36, 186,906.17 and 91,140.28

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Solution

The fourth proportional to 124,519.36, 186,906.17 and 91,140.28 is: 136,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,519.36 : 186,906.17 = 91,140.28 : x
  2. Step 2: Convert to fraction form
    124,519.36/186,906.17 = 91,140.28/x
  3. Step 3: Cross multiply
    124,519.36x = 186,906.17 × 91,140.28
  4. Step 4: Simplify right side
    124,519.36x = 17,034,680,667.53
  5. Step 5: Solve for x
    x = 17,034,680,667.53/124,519.36
  6. Step 6: Final answer
    x = 136,803.47

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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.