Home / 112,988.78-155,927.41-62,003.70

Finding the Fourth Proportional to 112,988.78, 155,927.41 and 62,003.70

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Solution

The fourth proportional to 112,988.78, 155,927.41 and 62,003.70 is: 85,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,988.78 : 155,927.41 = 62,003.70 : x
  2. Step 2: Convert to fraction form
    112,988.78/155,927.41 = 62,003.70/x
  3. Step 3: Cross multiply
    112,988.78x = 155,927.41 × 62,003.70
  4. Step 4: Simplify right side
    112,988.78x = 9,668,076,351.42
  5. Step 5: Solve for x
    x = 9,668,076,351.42/112,988.78
  6. Step 6: Final answer
    x = 85,566.69

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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.