Home / 110,989-153,168.60-60,691.24

Finding the Fourth Proportional to 110,989, 153,168.60 and 60,691.24

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Solution

The fourth proportional to 110,989, 153,168.60 and 60,691.24 is: 83,755.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,989 : 153,168.60 = 60,691.24 : x
  2. Step 2: Convert to fraction form
    110,989/153,168.60 = 60,691.24/x
  3. Step 3: Cross multiply
    110,989x = 153,168.60 × 60,691.24
  4. Step 4: Simplify right side
    110,989x = 9,295,992,263.06
  5. Step 5: Solve for x
    x = 9,295,992,263.06/110,989
  6. Step 6: Final answer
    x = 83,755.98

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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.