Home / 155,340.62-233,008.55-69,891.12

Finding the Fourth Proportional to 155,340.62, 233,008.55 and 69,891.12

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Solution

The fourth proportional to 155,340.62, 233,008.55 and 69,891.12 is: 104,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,340.62 : 233,008.55 = 69,891.12 : x
  2. Step 2: Convert to fraction form
    155,340.62/233,008.55 = 69,891.12/x
  3. Step 3: Cross multiply
    155,340.62x = 233,008.55 × 69,891.12
  4. Step 4: Simplify right side
    155,340.62x = 16,285,228,441.71
  5. Step 5: Solve for x
    x = 16,285,228,441.71/155,340.62
  6. Step 6: Final answer
    x = 104,835.61

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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.