Home / 134,798.45-185,988.62-82,397.20

Finding the Fourth Proportional to 134,798.45, 185,988.62 and 82,397.20

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Solution

The fourth proportional to 134,798.45, 185,988.62 and 82,397.20 is: 113,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,798.45 : 185,988.62 = 82,397.20 : x
  2. Step 2: Convert to fraction form
    134,798.45/185,988.62 = 82,397.20/x
  3. Step 3: Cross multiply
    134,798.45x = 185,988.62 × 82,397.20
  4. Step 4: Simplify right side
    134,798.45x = 15,324,941,609.61
  5. Step 5: Solve for x
    x = 15,324,941,609.61/134,798.45
  6. Step 6: Final answer
    x = 113,687.82

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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.