Home / 150,640.31-225,959.48-38,319.57

Finding the Fourth Proportional to 150,640.31, 225,959.48 and 38,319.57

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Solution

The fourth proportional to 150,640.31, 225,959.48 and 38,319.57 is: 57,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,640.31 : 225,959.48 = 38,319.57 : x
  2. Step 2: Convert to fraction form
    150,640.31/225,959.48 = 38,319.57/x
  3. Step 3: Cross multiply
    150,640.31x = 225,959.48 × 38,319.57
  4. Step 4: Simplify right side
    150,640.31x = 8,658,670,111.02
  5. Step 5: Solve for x
    x = 8,658,670,111.02/150,640.31
  6. Step 6: Final answer
    x = 57,479.10

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1.5x scale

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.