Home / 282,110.80-423,164.28-71,746

Finding the Fourth Proportional to 282,110.80, 423,164.28 and 71,746

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Solution

The fourth proportional to 282,110.80, 423,164.28 and 71,746 is: 107,618.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,110.80 : 423,164.28 = 71,746 : x
  2. Step 2: Convert to fraction form
    282,110.80/423,164.28 = 71,746/x
  3. Step 3: Cross multiply
    282,110.80x = 423,164.28 × 71,746
  4. Step 4: Simplify right side
    282,110.80x = 30,360,344,432.88
  5. Step 5: Solve for x
    x = 30,360,344,432.88/282,110.80
  6. Step 6: Final answer
    x = 107,618.51

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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.