Home / 132,875.20-199,244.40-39,368.80

Finding the Fourth Proportional to 132,875.20, 199,244.40 and 39,368.80

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Solution

The fourth proportional to 132,875.20, 199,244.40 and 39,368.80 is: 59,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,875.20 : 199,244.40 = 39,368.80 : x
  2. Step 2: Convert to fraction form
    132,875.20/199,244.40 = 39,368.80/x
  3. Step 3: Cross multiply
    132,875.20x = 199,244.40 × 39,368.80
  4. Step 4: Simplify right side
    132,875.20x = 7,844,012,934.72
  5. Step 5: Solve for x
    x = 7,844,012,934.72/132,875.20
  6. Step 6: Final answer
    x = 59,032.93

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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.