Home / 121,424.90-167,546.22-67,708.40

Finding the Fourth Proportional to 121,424.90, 167,546.22 and 67,708.40

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Solution

The fourth proportional to 121,424.90, 167,546.22 and 67,708.40 is: 93,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,424.90 : 167,546.22 = 67,708.40 : x
  2. Step 2: Convert to fraction form
    121,424.90/167,546.22 = 67,708.40/x
  3. Step 3: Cross multiply
    121,424.90x = 167,546.22 × 67,708.40
  4. Step 4: Simplify right side
    121,424.90x = 11,344,286,482.25
  5. Step 5: Solve for x
    x = 11,344,286,482.25/121,424.90
  6. Step 6: Final answer
    x = 93,426.36

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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.