Home / 140,121.65-193,317.35-107,866.13

Finding the Fourth Proportional to 140,121.65, 193,317.35 and 107,866.13

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Solution

The fourth proportional to 140,121.65, 193,317.35 and 107,866.13 is: 148,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,121.65 : 193,317.35 = 107,866.13 : x
  2. Step 2: Convert to fraction form
    140,121.65/193,317.35 = 107,866.13/x
  3. Step 3: Cross multiply
    140,121.65x = 193,317.35 × 107,866.13
  4. Step 4: Simplify right side
    140,121.65x = 20,852,392,900.44
  5. Step 5: Solve for x
    x = 20,852,392,900.44/140,121.65
  6. Step 6: Final answer
    x = 148,816.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.