Home / 155,183.07-232,769.99-42,870.04

Finding the Fourth Proportional to 155,183.07, 232,769.99 and 42,870.04

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Solution

The fourth proportional to 155,183.07, 232,769.99 and 42,870.04 is: 64,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,183.07 : 232,769.99 = 42,870.04 : x
  2. Step 2: Convert to fraction form
    155,183.07/232,769.99 = 42,870.04/x
  3. Step 3: Cross multiply
    155,183.07x = 232,769.99 × 42,870.04
  4. Step 4: Simplify right side
    155,183.07x = 9,978,858,567.75
  5. Step 5: Solve for x
    x = 9,978,858,567.75/155,183.07
  6. Step 6: Final answer
    x = 64,303.79

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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.