Home / 185,429.20-278,143.80-165,600.40

Finding the Fourth Proportional to 185,429.20, 278,143.80 and 165,600.40

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Solution

The fourth proportional to 185,429.20, 278,143.80 and 165,600.40 is: 248,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,429.20 : 278,143.80 = 165,600.40 : x
  2. Step 2: Convert to fraction form
    185,429.20/278,143.80 = 165,600.40/x
  3. Step 3: Cross multiply
    185,429.20x = 278,143.80 × 165,600.40
  4. Step 4: Simplify right side
    185,429.20x = 46,060,724,537.52
  5. Step 5: Solve for x
    x = 46,060,724,537.52/185,429.20
  6. Step 6: Final answer
    x = 248,400.60

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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.