Home / 207,131.76-310,696.68-64,987.44

Finding the Fourth Proportional to 207,131.76, 310,696.68 and 64,987.44

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Solution

The fourth proportional to 207,131.76, 310,696.68 and 64,987.44 is: 97,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,131.76 : 310,696.68 = 64,987.44 : x
  2. Step 2: Convert to fraction form
    207,131.76/310,696.68 = 64,987.44/x
  3. Step 3: Cross multiply
    207,131.76x = 310,696.68 × 64,987.44
  4. Step 4: Simplify right side
    207,131.76x = 20,191,381,849.70
  5. Step 5: Solve for x
    x = 20,191,381,849.70/207,131.76
  6. Step 6: Final answer
    x = 97,480.86

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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.