Home / 123,442.56-170,350.08-66,855.04

Finding the Fourth Proportional to 123,442.56, 170,350.08 and 66,855.04

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Solution

The fourth proportional to 123,442.56, 170,350.08 and 66,855.04 is: 92,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,442.56 : 170,350.08 = 66,855.04 : x
  2. Step 2: Convert to fraction form
    123,442.56/170,350.08 = 66,855.04/x
  3. Step 3: Cross multiply
    123,442.56x = 170,350.08 × 66,855.04
  4. Step 4: Simplify right side
    123,442.56x = 11,388,761,412.40
  5. Step 5: Solve for x
    x = 11,388,761,412.40/123,442.56
  6. Step 6: Final answer
    x = 92,259.60

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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.