Home / 437,566.25-656,349.35-105,142.25

Finding the Fourth Proportional to 437,566.25, 656,349.35 and 105,142.25

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Solution

The fourth proportional to 437,566.25, 656,349.35 and 105,142.25 is: 157,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,566.25 : 656,349.35 = 105,142.25 : x
  2. Step 2: Convert to fraction form
    437,566.25/656,349.35 = 105,142.25/x
  3. Step 3: Cross multiply
    437,566.25x = 656,349.35 × 105,142.25
  4. Step 4: Simplify right side
    437,566.25x = 69,010,048,560.20
  5. Step 5: Solve for x
    x = 69,010,048,560.20/437,566.25
  6. Step 6: Final answer
    x = 157,713.37

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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.