Home / 111,147.95-153,384.15-60,160.66

Finding the Fourth Proportional to 111,147.95, 153,384.15 and 60,160.66

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Solution

The fourth proportional to 111,147.95, 153,384.15 and 60,160.66 is: 83,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,147.95 : 153,384.15 = 60,160.66 : x
  2. Step 2: Convert to fraction form
    111,147.95/153,384.15 = 60,160.66/x
  3. Step 3: Cross multiply
    111,147.95x = 153,384.15 × 60,160.66
  4. Step 4: Simplify right side
    111,147.95x = 9,227,691,396.74
  5. Step 5: Solve for x
    x = 9,227,691,396.74/111,147.95
  6. Step 6: Final answer
    x = 83,021.70

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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.