Home / 123,444.20-170,350.98-66,855.08

Finding the Fourth Proportional to 123,444.20, 170,350.98 and 66,855.08

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Solution

The fourth proportional to 123,444.20, 170,350.98 and 66,855.08 is: 92,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,444.20 : 170,350.98 = 66,855.08 : x
  2. Step 2: Convert to fraction form
    123,444.20/170,350.98 = 66,855.08/x
  3. Step 3: Cross multiply
    123,444.20x = 170,350.98 × 66,855.08
  4. Step 4: Simplify right side
    123,444.20x = 11,388,828,395.98
  5. Step 5: Solve for x
    x = 11,388,828,395.98/123,444.20
  6. Step 6: Final answer
    x = 92,258.92

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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.