Home / 212,939.04-319,014.90-107,506.20

Finding the Fourth Proportional to 212,939.04, 319,014.90 and 107,506.20

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Solution

The fourth proportional to 212,939.04, 319,014.90 and 107,506.20 is: 161,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,939.04 : 319,014.90 = 107,506.20 : x
  2. Step 2: Convert to fraction form
    212,939.04/319,014.90 = 107,506.20/x
  3. Step 3: Cross multiply
    212,939.04x = 319,014.90 × 107,506.20
  4. Step 4: Simplify right side
    212,939.04x = 34,296,079,642.38
  5. Step 5: Solve for x
    x = 34,296,079,642.38/212,939.04
  6. Step 6: Final answer
    x = 161,060.55

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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.