Home / 239,300.88-330,237.38-131,874.76

Finding the Fourth Proportional to 239,300.88, 330,237.38 and 131,874.76

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Solution

The fourth proportional to 239,300.88, 330,237.38 and 131,874.76 is: 181,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,300.88 : 330,237.38 = 131,874.76 : x
  2. Step 2: Convert to fraction form
    239,300.88/330,237.38 = 131,874.76/x
  3. Step 3: Cross multiply
    239,300.88x = 330,237.38 × 131,874.76
  4. Step 4: Simplify right side
    239,300.88x = 43,549,975,230.53
  5. Step 5: Solve for x
    x = 43,549,975,230.53/239,300.88
  6. Step 6: Final answer
    x = 181,988.36

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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.