Home / 121,215.26-167,276.59-67,500.90

Finding the Fourth Proportional to 121,215.26, 167,276.59 and 67,500.90

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Solution

The fourth proportional to 121,215.26, 167,276.59 and 67,500.90 is: 93,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,215.26 : 167,276.59 = 67,500.90 : x
  2. Step 2: Convert to fraction form
    121,215.26/167,276.59 = 67,500.90/x
  3. Step 3: Cross multiply
    121,215.26x = 167,276.59 × 67,500.90
  4. Step 4: Simplify right side
    121,215.26x = 11,291,320,373.93
  5. Step 5: Solve for x
    x = 11,291,320,373.93/121,215.26
  6. Step 6: Final answer
    x = 93,150.98

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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.