Home / 150,221.61-207,372.83-99,266.13

Finding the Fourth Proportional to 150,221.61, 207,372.83 and 99,266.13

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Solution

The fourth proportional to 150,221.61, 207,372.83 and 99,266.13 is: 137,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,221.61 : 207,372.83 = 99,266.13 : x
  2. Step 2: Convert to fraction form
    150,221.61/207,372.83 = 99,266.13/x
  3. Step 3: Cross multiply
    150,221.61x = 207,372.83 × 99,266.13
  4. Step 4: Simplify right side
    150,221.61x = 20,585,097,804.92
  5. Step 5: Solve for x
    x = 20,585,097,804.92/150,221.61
  6. Step 6: Final answer
    x = 137,031.53

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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.