Home / 133,275.30-199,947.57-39,781.02

Finding the Fourth Proportional to 133,275.30, 199,947.57 and 39,781.02

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Solution

The fourth proportional to 133,275.30, 199,947.57 and 39,781.02 is: 59,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,275.30 : 199,947.57 = 39,781.02 : x
  2. Step 2: Convert to fraction form
    133,275.30/199,947.57 = 39,781.02/x
  3. Step 3: Cross multiply
    133,275.30x = 199,947.57 × 39,781.02
  4. Step 4: Simplify right side
    133,275.30x = 7,954,118,281.12
  5. Step 5: Solve for x
    x = 7,954,118,281.12/133,275.30
  6. Step 6: Final answer
    x = 59,681.86

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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.