Home / 89,952.66-134,719.08-71,106.18

Finding the Fourth Proportional to 89,952.66, 134,719.08 and 71,106.18

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Solution

The fourth proportional to 89,952.66, 134,719.08 and 71,106.18 is: 106,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,952.66 : 134,719.08 = 71,106.18 : x
  2. Step 2: Convert to fraction form
    89,952.66/134,719.08 = 71,106.18/x
  3. Step 3: Cross multiply
    89,952.66x = 134,719.08 × 71,106.18
  4. Step 4: Simplify right side
    89,952.66x = 9,579,359,151.91
  5. Step 5: Solve for x
    x = 9,579,359,151.91/89,952.66
  6. Step 6: Final answer
    x = 106,493.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.