Home / 111,125.31-153,352.91-60,138.04

Finding the Fourth Proportional to 111,125.31, 153,352.91 and 60,138.04

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Solution

The fourth proportional to 111,125.31, 153,352.91 and 60,138.04 is: 82,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,125.31 : 153,352.91 = 60,138.04 : x
  2. Step 2: Convert to fraction form
    111,125.31/153,352.91 = 60,138.04/x
  3. Step 3: Cross multiply
    111,125.31x = 153,352.91 × 60,138.04
  4. Step 4: Simplify right side
    111,125.31x = 9,222,343,202.66
  5. Step 5: Solve for x
    x = 9,222,343,202.66/111,125.31
  6. Step 6: Final answer
    x = 82,990.48

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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.