Home / 185,728.95-278,590.19-45,488.79

Finding the Fourth Proportional to 185,728.95, 278,590.19 and 45,488.79

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Solution

The fourth proportional to 185,728.95, 278,590.19 and 45,488.79 is: 68,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,728.95 : 278,590.19 = 45,488.79 : x
  2. Step 2: Convert to fraction form
    185,728.95/278,590.19 = 45,488.79/x
  3. Step 3: Cross multiply
    185,728.95x = 278,590.19 × 45,488.79
  4. Step 4: Simplify right side
    185,728.95x = 12,672,730,421.53
  5. Step 5: Solve for x
    x = 12,672,730,421.53/185,728.95
  6. Step 6: Final answer
    x = 68,232.39

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1.5x scale

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.