Home / 111,530.08-153,911.70-60,542.85

Finding the Fourth Proportional to 111,530.08, 153,911.70 and 60,542.85

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Solution

The fourth proportional to 111,530.08, 153,911.70 and 60,542.85 is: 83,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,530.08 : 153,911.70 = 60,542.85 : x
  2. Step 2: Convert to fraction form
    111,530.08/153,911.70 = 60,542.85/x
  3. Step 3: Cross multiply
    111,530.08x = 153,911.70 × 60,542.85
  4. Step 4: Simplify right side
    111,530.08x = 9,318,252,966.35
  5. Step 5: Solve for x
    x = 9,318,252,966.35/111,530.08
  6. Step 6: Final answer
    x = 83,549.24

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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.