Home / 441,731.70-662,451.75-142,140.65

Finding the Fourth Proportional to 441,731.70, 662,451.75 and 142,140.65

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Solution

The fourth proportional to 441,731.70, 662,451.75 and 142,140.65 is: 213,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,731.70 : 662,451.75 = 142,140.65 : x
  2. Step 2: Convert to fraction form
    441,731.70/662,451.75 = 142,140.65/x
  3. Step 3: Cross multiply
    441,731.70x = 662,451.75 × 142,140.65
  4. Step 4: Simplify right side
    441,731.70x = 94,161,319,026.38
  5. Step 5: Solve for x
    x = 94,161,319,026.38/441,731.70
  6. Step 6: Final answer
    x = 213,164.05

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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.