Home / 132,669.48-199,100.40-99,478.92

Finding the Fourth Proportional to 132,669.48, 199,100.40 and 99,478.92

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Solution

The fourth proportional to 132,669.48, 199,100.40 and 99,478.92 is: 149,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,669.48 : 199,100.40 = 99,478.92 : x
  2. Step 2: Convert to fraction form
    132,669.48/199,100.40 = 99,478.92/x
  3. Step 3: Cross multiply
    132,669.48x = 199,100.40 × 99,478.92
  4. Step 4: Simplify right side
    132,669.48x = 19,806,292,763.57
  5. Step 5: Solve for x
    x = 19,806,292,763.57/132,669.48
  6. Step 6: Final answer
    x = 149,290.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.