Home / 121,522.17-167,673.72-70,505.34

Finding the Fourth Proportional to 121,522.17, 167,673.72 and 70,505.34

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Solution

The fourth proportional to 121,522.17, 167,673.72 and 70,505.34 is: 97,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,522.17 : 167,673.72 = 70,505.34 : x
  2. Step 2: Convert to fraction form
    121,522.17/167,673.72 = 70,505.34/x
  3. Step 3: Cross multiply
    121,522.17x = 167,673.72 × 70,505.34
  4. Step 4: Simplify right side
    121,522.17x = 11,821,892,637.66
  5. Step 5: Solve for x
    x = 11,821,892,637.66/121,522.17
  6. Step 6: Final answer
    x = 97,281.78

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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.