Home / 121,214.76-167,275.90-67,500.40

Finding the Fourth Proportional to 121,214.76, 167,275.90 and 67,500.40

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Solution

The fourth proportional to 121,214.76, 167,275.90 and 67,500.40 is: 93,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,214.76 : 167,275.90 = 67,500.40 : x
  2. Step 2: Convert to fraction form
    121,214.76/167,275.90 = 67,500.40/x
  3. Step 3: Cross multiply
    121,214.76x = 167,275.90 × 67,500.40
  4. Step 4: Simplify right side
    121,214.76x = 11,291,190,160.36
  5. Step 5: Solve for x
    x = 11,291,190,160.36/121,214.76
  6. Step 6: Final answer
    x = 93,150.29

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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.