Home / 111,126.67-153,353.62-60,138.29

Finding the Fourth Proportional to 111,126.67, 153,353.62 and 60,138.29

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Solution

The fourth proportional to 111,126.67, 153,353.62 and 60,138.29 is: 82,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,126.67 : 153,353.62 = 60,138.29 : x
  2. Step 2: Convert to fraction form
    111,126.67/153,353.62 = 60,138.29/x
  3. Step 3: Cross multiply
    111,126.67x = 153,353.62 × 60,138.29
  4. Step 4: Simplify right side
    111,126.67x = 9,222,424,472.11
  5. Step 5: Solve for x
    x = 9,222,424,472.11/111,126.67
  6. Step 6: Final answer
    x = 82,990.20

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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.