Home / 150,454.95-225,686.88-66,171.39

Finding the Fourth Proportional to 150,454.95, 225,686.88 and 66,171.39

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Solution

The fourth proportional to 150,454.95, 225,686.88 and 66,171.39 is: 99,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,454.95 : 225,686.88 = 66,171.39 : x
  2. Step 2: Convert to fraction form
    150,454.95/225,686.88 = 66,171.39/x
  3. Step 3: Cross multiply
    150,454.95x = 225,686.88 × 66,171.39
  4. Step 4: Simplify right side
    150,454.95x = 14,934,014,554.36
  5. Step 5: Solve for x
    x = 14,934,014,554.36/150,454.95
  6. Step 6: Final answer
    x = 99,259.04

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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.