Home / 144,316.18-199,155.90-80,654.14

Finding the Fourth Proportional to 144,316.18, 199,155.90 and 80,654.14

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Solution

The fourth proportional to 144,316.18, 199,155.90 and 80,654.14 is: 111,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,316.18 : 199,155.90 = 80,654.14 : x
  2. Step 2: Convert to fraction form
    144,316.18/199,155.90 = 80,654.14/x
  3. Step 3: Cross multiply
    144,316.18x = 199,155.90 × 80,654.14
  4. Step 4: Simplify right side
    144,316.18x = 16,062,747,840.43
  5. Step 5: Solve for x
    x = 16,062,747,840.43/144,316.18
  6. Step 6: Final answer
    x = 111,302.47

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1.5x scale

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.