Home / 121,332.80-167,439.50-67,616.74

Finding the Fourth Proportional to 121,332.80, 167,439.50 and 67,616.74

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Solution

The fourth proportional to 121,332.80, 167,439.50 and 67,616.74 is: 93,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,332.80 : 167,439.50 = 67,616.74 : x
  2. Step 2: Convert to fraction form
    121,332.80/167,439.50 = 67,616.74/x
  3. Step 3: Cross multiply
    121,332.80x = 167,439.50 × 67,616.74
  4. Step 4: Simplify right side
    121,332.80x = 11,321,713,642.35
  5. Step 5: Solve for x
    x = 11,321,713,642.35/121,332.80
  6. Step 6: Final answer
    x = 93,311.23

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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.