Home / 126,032.40-174,162.36-99,386.55

Finding the Fourth Proportional to 126,032.40, 174,162.36 and 99,386.55

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Solution

The fourth proportional to 126,032.40, 174,162.36 and 99,386.55 is: 137,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,032.40 : 174,162.36 = 99,386.55 : x
  2. Step 2: Convert to fraction form
    126,032.40/174,162.36 = 99,386.55/x
  3. Step 3: Cross multiply
    126,032.40x = 174,162.36 × 99,386.55
  4. Step 4: Simplify right side
    126,032.40x = 17,309,396,100.26
  5. Step 5: Solve for x
    x = 17,309,396,100.26/126,032.40
  6. Step 6: Final answer
    x = 137,340.84

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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.