Home / 121,311.60-167,422.32-67,605.36

Finding the Fourth Proportional to 121,311.60, 167,422.32 and 67,605.36

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Solution

The fourth proportional to 121,311.60, 167,422.32 and 67,605.36 is: 93,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,311.60 : 167,422.32 = 67,605.36 : x
  2. Step 2: Convert to fraction form
    121,311.60/167,422.32 = 67,605.36/x
  3. Step 3: Cross multiply
    121,311.60x = 167,422.32 × 67,605.36
  4. Step 4: Simplify right side
    121,311.60x = 11,318,646,215.64
  5. Step 5: Solve for x
    x = 11,318,646,215.64/121,311.60
  6. Step 6: Final answer
    x = 93,302.26

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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.