Home / 213,118.60-319,937.10-160,112.20

Finding the Fourth Proportional to 213,118.60, 319,937.10 and 160,112.20

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Solution

The fourth proportional to 213,118.60, 319,937.10 and 160,112.20 is: 240,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,118.60 : 319,937.10 = 160,112.20 : x
  2. Step 2: Convert to fraction form
    213,118.60/319,937.10 = 160,112.20/x
  3. Step 3: Cross multiply
    213,118.60x = 319,937.10 × 160,112.20
  4. Step 4: Simplify right side
    213,118.60x = 51,225,832,942.62
  5. Step 5: Solve for x
    x = 51,225,832,942.62/213,118.60
  6. Step 6: Final answer
    x = 240,363.03

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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.