Home / 372,142.53-558,287.55-105,913.53

Finding the Fourth Proportional to 372,142.53, 558,287.55 and 105,913.53

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Solution

The fourth proportional to 372,142.53, 558,287.55 and 105,913.53 is: 158,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,142.53 : 558,287.55 = 105,913.53 : x
  2. Step 2: Convert to fraction form
    372,142.53/558,287.55 = 105,913.53/x
  3. Step 3: Cross multiply
    372,142.53x = 558,287.55 × 105,913.53
  4. Step 4: Simplify right side
    372,142.53x = 59,130,205,175.55
  5. Step 5: Solve for x
    x = 59,130,205,175.55/372,142.53
  6. Step 6: Final answer
    x = 158,891.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.