Home / 121,276.82-167,366.28-67,565.12

Finding the Fourth Proportional to 121,276.82, 167,366.28 and 67,565.12

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Solution

The fourth proportional to 121,276.82, 167,366.28 and 67,565.12 is: 93,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,276.82 : 167,366.28 = 67,565.12 : x
  2. Step 2: Convert to fraction form
    121,276.82/167,366.28 = 67,565.12/x
  3. Step 3: Cross multiply
    121,276.82x = 167,366.28 × 67,565.12
  4. Step 4: Simplify right side
    121,276.82x = 11,308,122,792.15
  5. Step 5: Solve for x
    x = 11,308,122,792.15/121,276.82
  6. Step 6: Final answer
    x = 93,242.24

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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.