Home / 126,452.31-174,502.13-69,090.40

Finding the Fourth Proportional to 126,452.31, 174,502.13 and 69,090.40

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Solution

The fourth proportional to 126,452.31, 174,502.13 and 69,090.40 is: 95,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,452.31 : 174,502.13 = 69,090.40 : x
  2. Step 2: Convert to fraction form
    126,452.31/174,502.13 = 69,090.40/x
  3. Step 3: Cross multiply
    126,452.31x = 174,502.13 × 69,090.40
  4. Step 4: Simplify right side
    126,452.31x = 12,056,421,835.23
  5. Step 5: Solve for x
    x = 12,056,421,835.23/126,452.31
  6. Step 6: Final answer
    x = 95,343.63

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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.