Home / 171,040.20-256,560.30-144,468.15

Finding the Fourth Proportional to 171,040.20, 256,560.30 and 144,468.15

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Solution

The fourth proportional to 171,040.20, 256,560.30 and 144,468.15 is: 216,702.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,040.20 : 256,560.30 = 144,468.15 : x
  2. Step 2: Convert to fraction form
    171,040.20/256,560.30 = 144,468.15/x
  3. Step 3: Cross multiply
    171,040.20x = 256,560.30 × 144,468.15
  4. Step 4: Simplify right side
    171,040.20x = 37,064,791,904.45
  5. Step 5: Solve for x
    x = 37,064,791,904.45/171,040.20
  6. Step 6: Final answer
    x = 216,702.23

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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.