Home / 185,899.32-278,849.88-45,657.96

Finding the Fourth Proportional to 185,899.32, 278,849.88 and 45,657.96

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Solution

The fourth proportional to 185,899.32, 278,849.88 and 45,657.96 is: 68,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,899.32 : 278,849.88 = 45,657.96 : x
  2. Step 2: Convert to fraction form
    185,899.32/278,849.88 = 45,657.96/x
  3. Step 3: Cross multiply
    185,899.32x = 278,849.88 × 45,657.96
  4. Step 4: Simplify right side
    185,899.32x = 12,731,716,667.04
  5. Step 5: Solve for x
    x = 12,731,716,667.04/185,899.32
  6. Step 6: Final answer
    x = 68,487.16

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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.