Home / 147,909.42-204,114.96-80,841.42

Finding the Fourth Proportional to 147,909.42, 204,114.96 and 80,841.42

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Solution

The fourth proportional to 147,909.42, 204,114.96 and 80,841.42 is: 111,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,909.42 : 204,114.96 = 80,841.42 : x
  2. Step 2: Convert to fraction form
    147,909.42/204,114.96 = 80,841.42/x
  3. Step 3: Cross multiply
    147,909.42x = 204,114.96 × 80,841.42
  4. Step 4: Simplify right side
    147,909.42x = 16,500,943,209.64
  5. Step 5: Solve for x
    x = 16,500,943,209.64/147,909.42
  6. Step 6: Final answer
    x = 111,561.14

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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.