Home / 121,719.48-167,944.09-70,701.90

Finding the Fourth Proportional to 121,719.48, 167,944.09 and 70,701.90

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Solution

The fourth proportional to 121,719.48, 167,944.09 and 70,701.90 is: 97,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,719.48 : 167,944.09 = 70,701.90 : x
  2. Step 2: Convert to fraction form
    121,719.48/167,944.09 = 70,701.90/x
  3. Step 3: Cross multiply
    121,719.48x = 167,944.09 × 70,701.90
  4. Step 4: Simplify right side
    121,719.48x = 11,873,966,256.77
  5. Step 5: Solve for x
    x = 11,873,966,256.77/121,719.48
  6. Step 6: Final answer
    x = 97,551.90

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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.