Home / 155,183.19-232,770.17-42,870.17

Finding the Fourth Proportional to 155,183.19, 232,770.17 and 42,870.17

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Solution

The fourth proportional to 155,183.19, 232,770.17 and 42,870.17 is: 64,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,183.19 : 232,770.17 = 42,870.17 : x
  2. Step 2: Convert to fraction form
    155,183.19/232,770.17 = 42,870.17/x
  3. Step 3: Cross multiply
    155,183.19x = 232,770.17 × 42,870.17
  4. Step 4: Simplify right side
    155,183.19x = 9,978,895,380.63
  5. Step 5: Solve for x
    x = 9,978,895,380.63/155,183.19
  6. Step 6: Final answer
    x = 64,303.97

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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.