Home / 121,306.35-167,403.42-70,349.29

Finding the Fourth Proportional to 121,306.35, 167,403.42 and 70,349.29

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Solution

The fourth proportional to 121,306.35, 167,403.42 and 70,349.29 is: 97,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,306.35 : 167,403.42 = 70,349.29 : x
  2. Step 2: Convert to fraction form
    121,306.35/167,403.42 = 70,349.29/x
  3. Step 3: Cross multiply
    121,306.35x = 167,403.42 × 70,349.29
  4. Step 4: Simplify right side
    121,306.35x = 11,776,712,213.64
  5. Step 5: Solve for x
    x = 11,776,712,213.64/121,306.35
  6. Step 6: Final answer
    x = 97,082.41

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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.