Home / 159,285.18-239,075.46-80,454.90

Finding the Fourth Proportional to 159,285.18, 239,075.46 and 80,454.90

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Solution

The fourth proportional to 159,285.18, 239,075.46 and 80,454.90 is: 120,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,285.18 : 239,075.46 = 80,454.90 : x
  2. Step 2: Convert to fraction form
    159,285.18/239,075.46 = 80,454.90/x
  3. Step 3: Cross multiply
    159,285.18x = 239,075.46 × 80,454.90
  4. Step 4: Simplify right side
    159,285.18x = 19,234,792,226.75
  5. Step 5: Solve for x
    x = 19,234,792,226.75/159,285.18
  6. Step 6: Final answer
    x = 120,756.95

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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.