Home / 150,741.34-207,963.84-90,314.52

Finding the Fourth Proportional to 150,741.34, 207,963.84 and 90,314.52

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Solution

The fourth proportional to 150,741.34, 207,963.84 and 90,314.52 is: 124,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,741.34 : 207,963.84 = 90,314.52 : x
  2. Step 2: Convert to fraction form
    150,741.34/207,963.84 = 90,314.52/x
  3. Step 3: Cross multiply
    150,741.34x = 207,963.84 × 90,314.52
  4. Step 4: Simplify right side
    150,741.34x = 18,782,154,386.96
  5. Step 5: Solve for x
    x = 18,782,154,386.96/150,741.34
  6. Step 6: Final answer
    x = 124,598.56

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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.