Home / 136,128.28-204,233.98-69,615.12

Finding the Fourth Proportional to 136,128.28, 204,233.98 and 69,615.12

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Solution

The fourth proportional to 136,128.28, 204,233.98 and 69,615.12 is: 104,443.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,128.28 : 204,233.98 = 69,615.12 : x
  2. Step 2: Convert to fraction form
    136,128.28/204,233.98 = 69,615.12/x
  3. Step 3: Cross multiply
    136,128.28x = 204,233.98 × 69,615.12
  4. Step 4: Simplify right side
    136,128.28x = 14,217,773,025.78
  5. Step 5: Solve for x
    x = 14,217,773,025.78/136,128.28
  6. Step 6: Final answer
    x = 104,443.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.