Home / 123,259.20-170,097.48-66,670.80

Finding the Fourth Proportional to 123,259.20, 170,097.48 and 66,670.80

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Solution

The fourth proportional to 123,259.20, 170,097.48 and 66,670.80 is: 92,005.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,259.20 : 170,097.48 = 66,670.80 : x
  2. Step 2: Convert to fraction form
    123,259.20/170,097.48 = 66,670.80/x
  3. Step 3: Cross multiply
    123,259.20x = 170,097.48 × 66,670.80
  4. Step 4: Simplify right side
    123,259.20x = 11,340,535,069.58
  5. Step 5: Solve for x
    x = 11,340,535,069.58/123,259.20
  6. Step 6: Final answer
    x = 92,005.59

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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.