Home / 121,217.64-167,269.62-70,214.07

Finding the Fourth Proportional to 121,217.64, 167,269.62 and 70,214.07

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Solution

The fourth proportional to 121,217.64, 167,269.62 and 70,214.07 is: 96,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,217.64 : 167,269.62 = 70,214.07 : x
  2. Step 2: Convert to fraction form
    121,217.64/167,269.62 = 70,214.07/x
  3. Step 3: Cross multiply
    121,217.64x = 167,269.62 × 70,214.07
  4. Step 4: Simplify right side
    121,217.64x = 11,744,680,807.55
  5. Step 5: Solve for x
    x = 11,744,680,807.55/121,217.64
  6. Step 6: Final answer
    x = 96,889.21

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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.