Home / 142,468.74-196,521.19-94,071.11

Finding the Fourth Proportional to 142,468.74, 196,521.19 and 94,071.11

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Solution

The fourth proportional to 142,468.74, 196,521.19 and 94,071.11 is: 129,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,468.74 : 196,521.19 = 94,071.11 : x
  2. Step 2: Convert to fraction form
    142,468.74/196,521.19 = 94,071.11/x
  3. Step 3: Cross multiply
    142,468.74x = 196,521.19 × 94,071.11
  4. Step 4: Simplify right side
    142,468.74x = 18,486,965,264.04
  5. Step 5: Solve for x
    x = 18,486,965,264.04/142,468.74
  6. Step 6: Final answer
    x = 129,761.56

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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.