Home / 111,149.04-153,385.60-60,848

Finding the Fourth Proportional to 111,149.04, 153,385.60 and 60,848

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Solution

The fourth proportional to 111,149.04, 153,385.60 and 60,848 is: 83,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,149.04 : 153,385.60 = 60,848 : x
  2. Step 2: Convert to fraction form
    111,149.04/153,385.60 = 60,848/x
  3. Step 3: Cross multiply
    111,149.04x = 153,385.60 × 60,848
  4. Step 4: Simplify right side
    111,149.04x = 9,333,206,988.80
  5. Step 5: Solve for x
    x = 9,333,206,988.80/111,149.04
  6. Step 6: Final answer
    x = 83,970.20

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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.