Home / 155,202.20-232,800.95-42,879.90

Finding the Fourth Proportional to 155,202.20, 232,800.95 and 42,879.90

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Solution

The fourth proportional to 155,202.20, 232,800.95 and 42,879.90 is: 64,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,202.20 : 232,800.95 = 42,879.90 : x
  2. Step 2: Convert to fraction form
    155,202.20/232,800.95 = 42,879.90/x
  3. Step 3: Cross multiply
    155,202.20x = 232,800.95 × 42,879.90
  4. Step 4: Simplify right side
    155,202.20x = 9,982,481,241.51
  5. Step 5: Solve for x
    x = 9,982,481,241.51/155,202.20
  6. Step 6: Final answer
    x = 64,319.20

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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.