Home / 140,731.53-210,914.24-107,328.75

Finding the Fourth Proportional to 140,731.53, 210,914.24 and 107,328.75

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Solution

The fourth proportional to 140,731.53, 210,914.24 and 107,328.75 is: 160,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,731.53 : 210,914.24 = 107,328.75 : x
  2. Step 2: Convert to fraction form
    140,731.53/210,914.24 = 107,328.75/x
  3. Step 3: Cross multiply
    140,731.53x = 210,914.24 × 107,328.75
  4. Step 4: Simplify right side
    140,731.53x = 22,637,161,199.76
  5. Step 5: Solve for x
    x = 22,637,161,199.76/140,731.53
  6. Step 6: Final answer
    x = 160,853.51

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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.