Home / 134,392.19-185,384.07-84,003.71

Finding the Fourth Proportional to 134,392.19, 185,384.07 and 84,003.71

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Solution

The fourth proportional to 134,392.19, 185,384.07 and 84,003.71 is: 115,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,392.19 : 185,384.07 = 84,003.71 : x
  2. Step 2: Convert to fraction form
    134,392.19/185,384.07 = 84,003.71/x
  3. Step 3: Cross multiply
    134,392.19x = 185,384.07 × 84,003.71
  4. Step 4: Simplify right side
    134,392.19x = 15,572,948,727.98
  5. Step 5: Solve for x
    x = 15,572,948,727.98/134,392.19
  6. Step 6: Final answer
    x = 115,876.89

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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.