Home / 132,148.90-182,366.82-71,720.08

Finding the Fourth Proportional to 132,148.90, 182,366.82 and 71,720.08

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Solution

The fourth proportional to 132,148.90, 182,366.82 and 71,720.08 is: 98,974.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,148.90 : 182,366.82 = 71,720.08 : x
  2. Step 2: Convert to fraction form
    132,148.90/182,366.82 = 71,720.08/x
  3. Step 3: Cross multiply
    132,148.90x = 182,366.82 × 71,720.08
  4. Step 4: Simplify right side
    132,148.90x = 13,079,362,919.75
  5. Step 5: Solve for x
    x = 13,079,362,919.75/132,148.90
  6. Step 6: Final answer
    x = 98,974.44

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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.