Home / 134,397.19-185,390.97-84,008.71

Finding the Fourth Proportional to 134,397.19, 185,390.97 and 84,008.71

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Solution

The fourth proportional to 134,397.19, 185,390.97 and 84,008.71 is: 115,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,397.19 : 185,390.97 = 84,008.71 : x
  2. Step 2: Convert to fraction form
    134,397.19/185,390.97 = 84,008.71/x
  3. Step 3: Cross multiply
    134,397.19x = 185,390.97 × 84,008.71
  4. Step 4: Simplify right side
    134,397.19x = 15,574,456,235.35
  5. Step 5: Solve for x
    x = 15,574,456,235.35/134,397.19
  6. Step 6: Final answer
    x = 115,883.79

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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.