Home / 121,255.11-167,332.23-70,277.76

Finding the Fourth Proportional to 121,255.11, 167,332.23 and 70,277.76

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Solution

The fourth proportional to 121,255.11, 167,332.23 and 70,277.76 is: 96,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,255.11 : 167,332.23 = 70,277.76 : x
  2. Step 2: Convert to fraction form
    121,255.11/167,332.23 = 70,277.76/x
  3. Step 3: Cross multiply
    121,255.11x = 167,332.23 × 70,277.76
  4. Step 4: Simplify right side
    121,255.11x = 11,759,734,300.20
  5. Step 5: Solve for x
    x = 11,759,734,300.20/121,255.11
  6. Step 6: Final answer
    x = 96,983.41

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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.