Home / 194,983.20-292,474.80-112,039.20

Finding the Fourth Proportional to 194,983.20, 292,474.80 and 112,039.20

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Solution

The fourth proportional to 194,983.20, 292,474.80 and 112,039.20 is: 168,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,983.20 : 292,474.80 = 112,039.20 : x
  2. Step 2: Convert to fraction form
    194,983.20/292,474.80 = 112,039.20/x
  3. Step 3: Cross multiply
    194,983.20x = 292,474.80 × 112,039.20
  4. Step 4: Simplify right side
    194,983.20x = 32,768,642,612.16
  5. Step 5: Solve for x
    x = 32,768,642,612.16/194,983.20
  6. Step 6: Final answer
    x = 168,058.80

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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.