Home / 112,988.28-155,926.72-62,003.20

Finding the Fourth Proportional to 112,988.28, 155,926.72 and 62,003.20

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Solution

The fourth proportional to 112,988.28, 155,926.72 and 62,003.20 is: 85,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,988.28 : 155,926.72 = 62,003.20 : x
  2. Step 2: Convert to fraction form
    112,988.28/155,926.72 = 62,003.20/x
  3. Step 3: Cross multiply
    112,988.28x = 155,926.72 × 62,003.20
  4. Step 4: Simplify right side
    112,988.28x = 9,667,955,605.50
  5. Step 5: Solve for x
    x = 9,667,955,605.50/112,988.28
  6. Step 6: Final answer
    x = 85,566.00

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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.