Home / 132,133.92-198,218.52-38,638.32

Finding the Fourth Proportional to 132,133.92, 198,218.52 and 38,638.32

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Solution

The fourth proportional to 132,133.92, 198,218.52 and 38,638.32 is: 57,962.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,133.92 : 198,218.52 = 38,638.32 : x
  2. Step 2: Convert to fraction form
    132,133.92/198,218.52 = 38,638.32/x
  3. Step 3: Cross multiply
    132,133.92x = 198,218.52 × 38,638.32
  4. Step 4: Simplify right side
    132,133.92x = 7,658,830,605.69
  5. Step 5: Solve for x
    x = 7,658,830,605.69/132,133.92
  6. Step 6: Final answer
    x = 57,962.64

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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.