Home / 145,691.06-201,057.59-82,031.13

Finding the Fourth Proportional to 145,691.06, 201,057.59 and 82,031.13

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Solution

The fourth proportional to 145,691.06, 201,057.59 and 82,031.13 is: 113,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,691.06 : 201,057.59 = 82,031.13 : x
  2. Step 2: Convert to fraction form
    145,691.06/201,057.59 = 82,031.13/x
  3. Step 3: Cross multiply
    145,691.06x = 201,057.59 × 82,031.13
  4. Step 4: Simplify right side
    145,691.06x = 16,492,981,507.85
  5. Step 5: Solve for x
    x = 16,492,981,507.85/145,691.06
  6. Step 6: Final answer
    x = 113,205.18

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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.