Home / 179,298.03-268,946.22-85,519.47

Finding the Fourth Proportional to 179,298.03, 268,946.22 and 85,519.47

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Solution

The fourth proportional to 179,298.03, 268,946.22 and 85,519.47 is: 128,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,298.03 : 268,946.22 = 85,519.47 : x
  2. Step 2: Convert to fraction form
    179,298.03/268,946.22 = 85,519.47/x
  3. Step 3: Cross multiply
    179,298.03x = 268,946.22 × 85,519.47
  4. Step 4: Simplify right side
    179,298.03x = 23,000,138,192.90
  5. Step 5: Solve for x
    x = 23,000,138,192.90/179,298.03
  6. Step 6: Final answer
    x = 128,278.81

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1.5x scale

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.