Home / 134,320.17-185,358.81-73,889.49

Finding the Fourth Proportional to 134,320.17, 185,358.81 and 73,889.49

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Solution

The fourth proportional to 134,320.17, 185,358.81 and 73,889.49 is: 101,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,320.17 : 185,358.81 = 73,889.49 : x
  2. Step 2: Convert to fraction form
    134,320.17/185,358.81 = 73,889.49/x
  3. Step 3: Cross multiply
    134,320.17x = 185,358.81 × 73,889.49
  4. Step 4: Simplify right side
    134,320.17x = 13,696,067,937.91
  5. Step 5: Solve for x
    x = 13,696,067,937.91/134,320.17
  6. Step 6: Final answer
    x = 101,965.83

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1.5x scale

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.