Home / 261,627.95-392,371.67-72,043.19

Finding the Fourth Proportional to 261,627.95, 392,371.67 and 72,043.19

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Solution

The fourth proportional to 261,627.95, 392,371.67 and 72,043.19 is: 108,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,627.95 : 392,371.67 = 72,043.19 : x
  2. Step 2: Convert to fraction form
    261,627.95/392,371.67 = 72,043.19/x
  3. Step 3: Cross multiply
    261,627.95x = 392,371.67 × 72,043.19
  4. Step 4: Simplify right side
    261,627.95x = 28,267,704,450.35
  5. Step 5: Solve for x
    x = 28,267,704,450.35/261,627.95
  6. Step 6: Final answer
    x = 108,045.43

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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.