Home / 132,031.92-182,187.72-84,313.20

Finding the Fourth Proportional to 132,031.92, 182,187.72 and 84,313.20

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Solution

The fourth proportional to 132,031.92, 182,187.72 and 84,313.20 is: 116,341.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,031.92 : 182,187.72 = 84,313.20 : x
  2. Step 2: Convert to fraction form
    132,031.92/182,187.72 = 84,313.20/x
  3. Step 3: Cross multiply
    132,031.92x = 182,187.72 × 84,313.20
  4. Step 4: Simplify right side
    132,031.92x = 15,360,829,673.90
  5. Step 5: Solve for x
    x = 15,360,829,673.90/132,031.92
  6. Step 6: Final answer
    x = 116,341.79

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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.