Home / 121,275.57-167,360.49-67,562.50

Finding the Fourth Proportional to 121,275.57, 167,360.49 and 67,562.50

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Solution

The fourth proportional to 121,275.57, 167,360.49 and 67,562.50 is: 93,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,275.57 : 167,360.49 = 67,562.50 : x
  2. Step 2: Convert to fraction form
    121,275.57/167,360.49 = 67,562.50/x
  3. Step 3: Cross multiply
    121,275.57x = 167,360.49 × 67,562.50
  4. Step 4: Simplify right side
    121,275.57x = 11,307,292,268.82
  5. Step 5: Solve for x
    x = 11,307,292,268.82/121,275.57
  6. Step 6: Final answer
    x = 93,236.36

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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.