Home / 94,815.77-142,223.61-28,254.20

Finding the Fourth Proportional to 94,815.77, 142,223.61 and 28,254.20

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Solution

The fourth proportional to 94,815.77, 142,223.61 and 28,254.20 is: 42,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,815.77 : 142,223.61 = 28,254.20 : x
  2. Step 2: Convert to fraction form
    94,815.77/142,223.61 = 28,254.20/x
  3. Step 3: Cross multiply
    94,815.77x = 142,223.61 × 28,254.20
  4. Step 4: Simplify right side
    94,815.77x = 4,018,414,321.66
  5. Step 5: Solve for x
    x = 4,018,414,321.66/94,815.77
  6. Step 6: Final answer
    x = 42,381.29

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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.