Home / 95,155.86-142,540-45,084.18

Finding the Fourth Proportional to 95,155.86, 142,540 and 45,084.18

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Solution

The fourth proportional to 95,155.86, 142,540 and 45,084.18 is: 67,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,155.86 : 142,540 = 45,084.18 : x
  2. Step 2: Convert to fraction form
    95,155.86/142,540 = 45,084.18/x
  3. Step 3: Cross multiply
    95,155.86x = 142,540 × 45,084.18
  4. Step 4: Simplify right side
    95,155.86x = 6,426,299,017.20
  5. Step 5: Solve for x
    x = 6,426,299,017.20/95,155.86
  6. Step 6: Final answer
    x = 67,534.45

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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.