Home / 126,445.56-174,278.70-98,097.72

Finding the Fourth Proportional to 126,445.56, 174,278.70 and 98,097.72

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Solution

The fourth proportional to 126,445.56, 174,278.70 and 98,097.72 is: 135,207.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,445.56 : 174,278.70 = 98,097.72 : x
  2. Step 2: Convert to fraction form
    126,445.56/174,278.70 = 98,097.72/x
  3. Step 3: Cross multiply
    126,445.56x = 174,278.70 × 98,097.72
  4. Step 4: Simplify right side
    126,445.56x = 17,096,343,114.56
  5. Step 5: Solve for x
    x = 17,096,343,114.56/126,445.56
  6. Step 6: Final answer
    x = 135,207.14

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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.