Home / 121,217.39-167,269.28-70,213.81

Finding the Fourth Proportional to 121,217.39, 167,269.28 and 70,213.81

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Solution

The fourth proportional to 121,217.39, 167,269.28 and 70,213.81 is: 96,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,217.39 : 167,269.28 = 70,213.81 : x
  2. Step 2: Convert to fraction form
    121,217.39/167,269.28 = 70,213.81/x
  3. Step 3: Cross multiply
    121,217.39x = 167,269.28 × 70,213.81
  4. Step 4: Simplify right side
    121,217.39x = 11,744,613,444.76
  5. Step 5: Solve for x
    x = 11,744,613,444.76/121,217.39
  6. Step 6: Final answer
    x = 96,888.85

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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.