Home / 155,181.69-232,767.92-42,868.67

Finding the Fourth Proportional to 155,181.69, 232,767.92 and 42,868.67

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Solution

The fourth proportional to 155,181.69, 232,767.92 and 42,868.67 is: 64,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,181.69 : 232,767.92 = 42,868.67 : x
  2. Step 2: Convert to fraction form
    155,181.69/232,767.92 = 42,868.67/x
  3. Step 3: Cross multiply
    155,181.69x = 232,767.92 × 42,868.67
  4. Step 4: Simplify right side
    155,181.69x = 9,978,449,770.88
  5. Step 5: Solve for x
    x = 9,978,449,770.88/155,181.69
  6. Step 6: Final answer
    x = 64,301.72

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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.