Home / 239,421.76-330,391.91-130,523.74

Finding the Fourth Proportional to 239,421.76, 330,391.91 and 130,523.74

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Solution

The fourth proportional to 239,421.76, 330,391.91 and 130,523.74 is: 180,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,421.76 : 330,391.91 = 130,523.74 : x
  2. Step 2: Convert to fraction form
    239,421.76/330,391.91 = 130,523.74/x
  3. Step 3: Cross multiply
    239,421.76x = 330,391.91 × 130,523.74
  4. Step 4: Simplify right side
    239,421.76x = 43,123,987,259.27
  5. Step 5: Solve for x
    x = 43,123,987,259.27/239,421.76
  6. Step 6: Final answer
    x = 180,117.24

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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.