Home / 123,449.35-170,360.33-66,860.74

Finding the Fourth Proportional to 123,449.35, 170,360.33 and 66,860.74

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Solution

The fourth proportional to 123,449.35, 170,360.33 and 66,860.74 is: 92,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,449.35 : 170,360.33 = 66,860.74 : x
  2. Step 2: Convert to fraction form
    123,449.35/170,360.33 = 66,860.74/x
  3. Step 3: Cross multiply
    123,449.35x = 170,360.33 × 66,860.74
  4. Step 4: Simplify right side
    123,449.35x = 11,390,417,730.44
  5. Step 5: Solve for x
    x = 11,390,417,730.44/123,449.35
  6. Step 6: Final answer
    x = 92,267.94

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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.