Home / 123,202.32-170,018.88-66,613.68

Finding the Fourth Proportional to 123,202.32, 170,018.88 and 66,613.68

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Solution

The fourth proportional to 123,202.32, 170,018.88 and 66,613.68 is: 91,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,202.32 : 170,018.88 = 66,613.68 : x
  2. Step 2: Convert to fraction form
    123,202.32/170,018.88 = 66,613.68/x
  3. Step 3: Cross multiply
    123,202.32x = 170,018.88 × 66,613.68
  4. Step 4: Simplify right side
    123,202.32x = 11,325,583,266.28
  5. Step 5: Solve for x
    x = 11,325,583,266.28/123,202.32
  6. Step 6: Final answer
    x = 91,926.70

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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.