Home / 132,130.40-182,339.01-71,699.49

Finding the Fourth Proportional to 132,130.40, 182,339.01 and 71,699.49

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Solution

The fourth proportional to 132,130.40, 182,339.01 and 71,699.49 is: 98,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,130.40 : 182,339.01 = 71,699.49 : x
  2. Step 2: Convert to fraction form
    132,130.40/182,339.01 = 71,699.49/x
  3. Step 3: Cross multiply
    132,130.40x = 182,339.01 × 71,699.49
  4. Step 4: Simplify right side
    132,130.40x = 13,073,614,024.10
  5. Step 5: Solve for x
    x = 13,073,614,024.10/132,130.40
  6. Step 6: Final answer
    x = 98,944.79

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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.