Home / 185,881.93-278,666.15-80,621.62

Finding the Fourth Proportional to 185,881.93, 278,666.15 and 80,621.62

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Solution

The fourth proportional to 185,881.93, 278,666.15 and 80,621.62 is: 120,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,881.93 : 278,666.15 = 80,621.62 : x
  2. Step 2: Convert to fraction form
    185,881.93/278,666.15 = 80,621.62/x
  3. Step 3: Cross multiply
    185,881.93x = 278,666.15 × 80,621.62
  4. Step 4: Simplify right side
    185,881.93x = 22,466,516,452.16
  5. Step 5: Solve for x
    x = 22,466,516,452.16/185,881.93
  6. Step 6: Final answer
    x = 120,864.45

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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.