Home / 185,529.10-278,294.31-45,287.71

Finding the Fourth Proportional to 185,529.10, 278,294.31 and 45,287.71

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Solution

The fourth proportional to 185,529.10, 278,294.31 and 45,287.71 is: 67,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,529.10 : 278,294.31 = 45,287.71 : x
  2. Step 2: Convert to fraction form
    185,529.10/278,294.31 = 45,287.71/x
  3. Step 3: Cross multiply
    185,529.10x = 278,294.31 × 45,287.71
  4. Step 4: Simplify right side
    185,529.10x = 12,603,312,005.93
  5. Step 5: Solve for x
    x = 12,603,312,005.93/185,529.10
  6. Step 6: Final answer
    x = 67,931.73

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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.