Home / 121,112.04-167,127.76-67,394.48

Finding the Fourth Proportional to 121,112.04, 167,127.76 and 67,394.48

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Solution

The fourth proportional to 121,112.04, 167,127.76 and 67,394.48 is: 93,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,112.04 : 167,127.76 = 67,394.48 : x
  2. Step 2: Convert to fraction form
    121,112.04/167,127.76 = 67,394.48/x
  3. Step 3: Cross multiply
    121,112.04x = 167,127.76 × 67,394.48
  4. Step 4: Simplify right side
    121,112.04x = 11,263,488,478.76
  5. Step 5: Solve for x
    x = 11,263,488,478.76/121,112.04
  6. Step 6: Final answer
    x = 93,000.57

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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.