Home / 95,140.50-142,705.28-28,579.16

Finding the Fourth Proportional to 95,140.50, 142,705.28 and 28,579.16

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Solution

The fourth proportional to 95,140.50, 142,705.28 and 28,579.16 is: 42,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,140.50 : 142,705.28 = 28,579.16 : x
  2. Step 2: Convert to fraction form
    95,140.50/142,705.28 = 28,579.16/x
  3. Step 3: Cross multiply
    95,140.50x = 142,705.28 × 28,579.16
  4. Step 4: Simplify right side
    95,140.50x = 4,078,397,029.96
  5. Step 5: Solve for x
    x = 4,078,397,029.96/95,140.50
  6. Step 6: Final answer
    x = 42,867.10

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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.