Home / 132,145.05-182,360.30-71,715.71

Finding the Fourth Proportional to 132,145.05, 182,360.30 and 71,715.71

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Solution

The fourth proportional to 132,145.05, 182,360.30 and 71,715.71 is: 98,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,145.05 : 182,360.30 = 71,715.71 : x
  2. Step 2: Convert to fraction form
    132,145.05/182,360.30 = 71,715.71/x
  3. Step 3: Cross multiply
    132,145.05x = 182,360.30 × 71,715.71
  4. Step 4: Simplify right side
    132,145.05x = 13,078,097,119.93
  5. Step 5: Solve for x
    x = 13,078,097,119.93/132,145.05
  6. Step 6: Final answer
    x = 98,967.74

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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.