Home / 142,955.28-197,306.28-82,564.92

Finding the Fourth Proportional to 142,955.28, 197,306.28 and 82,564.92

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Solution

The fourth proportional to 142,955.28, 197,306.28 and 82,564.92 is: 113,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,955.28 : 197,306.28 = 82,564.92 : x
  2. Step 2: Convert to fraction form
    142,955.28/197,306.28 = 82,564.92/x
  3. Step 3: Cross multiply
    142,955.28x = 197,306.28 × 82,564.92
  4. Step 4: Simplify right side
    142,955.28x = 16,290,577,223.70
  5. Step 5: Solve for x
    x = 16,290,577,223.70/142,955.28
  6. Step 6: Final answer
    x = 113,955.76

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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.