Home / 123,444.56-170,353.80-66,855.92

Finding the Fourth Proportional to 123,444.56, 170,353.80 and 66,855.92

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Solution

The fourth proportional to 123,444.56, 170,353.80 and 66,855.92 is: 92,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,444.56 : 170,353.80 = 66,855.92 : x
  2. Step 2: Convert to fraction form
    123,444.56/170,353.80 = 66,855.92/x
  3. Step 3: Cross multiply
    123,444.56x = 170,353.80 × 66,855.92
  4. Step 4: Simplify right side
    123,444.56x = 11,389,160,024.50
  5. Step 5: Solve for x
    x = 11,389,160,024.50/123,444.56
  6. Step 6: Final answer
    x = 92,261.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.