Home / 132,144.56-182,359.60-71,715.20

Finding the Fourth Proportional to 132,144.56, 182,359.60 and 71,715.20

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Solution

The fourth proportional to 132,144.56, 182,359.60 and 71,715.20 is: 98,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,144.56 : 182,359.60 = 71,715.20 : x
  2. Step 2: Convert to fraction form
    132,144.56/182,359.60 = 71,715.20/x
  3. Step 3: Cross multiply
    132,144.56x = 182,359.60 × 71,715.20
  4. Step 4: Simplify right side
    132,144.56x = 13,077,955,185.92
  5. Step 5: Solve for x
    x = 13,077,955,185.92/132,144.56
  6. Step 6: Final answer
    x = 98,967.03

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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.