Home / 192,946.56-266,263.92-112,387.20

Finding the Fourth Proportional to 192,946.56, 266,263.92 and 112,387.20

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Solution

The fourth proportional to 192,946.56, 266,263.92 and 112,387.20 is: 155,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,946.56 : 266,263.92 = 112,387.20 : x
  2. Step 2: Convert to fraction form
    192,946.56/266,263.92 = 112,387.20/x
  3. Step 3: Cross multiply
    192,946.56x = 266,263.92 × 112,387.20
  4. Step 4: Simplify right side
    192,946.56x = 29,924,656,429.82
  5. Step 5: Solve for x
    x = 29,924,656,429.82/192,946.56
  6. Step 6: Final answer
    x = 155,092.98

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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.