Home / 159,951.84-240,075.38-81,121.43

Finding the Fourth Proportional to 159,951.84, 240,075.38 and 81,121.43

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Solution

The fourth proportional to 159,951.84, 240,075.38 and 81,121.43 is: 121,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,951.84 : 240,075.38 = 81,121.43 : x
  2. Step 2: Convert to fraction form
    159,951.84/240,075.38 = 81,121.43/x
  3. Step 3: Cross multiply
    159,951.84x = 240,075.38 × 81,121.43
  4. Step 4: Simplify right side
    159,951.84x = 19,475,256,527.41
  5. Step 5: Solve for x
    x = 19,475,256,527.41/159,951.84
  6. Step 6: Final answer
    x = 121,757.00

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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.