Home / 147,718.71-203,844.47-87,292.17

Finding the Fourth Proportional to 147,718.71, 203,844.47 and 87,292.17

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Solution

The fourth proportional to 147,718.71, 203,844.47 and 87,292.17 is: 120,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,718.71 : 203,844.47 = 87,292.17 : x
  2. Step 2: Convert to fraction form
    147,718.71/203,844.47 = 87,292.17/x
  3. Step 3: Cross multiply
    147,718.71x = 203,844.47 × 87,292.17
  4. Step 4: Simplify right side
    147,718.71x = 17,794,025,692.34
  5. Step 5: Solve for x
    x = 17,794,025,692.34/147,718.71
  6. Step 6: Final answer
    x = 120,458.85

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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.