Home / 238,180.32-328,668.12-130,750.20

Finding the Fourth Proportional to 238,180.32, 328,668.12 and 130,750.20

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Solution

The fourth proportional to 238,180.32, 328,668.12 and 130,750.20 is: 180,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,180.32 : 328,668.12 = 130,750.20 : x
  2. Step 2: Convert to fraction form
    238,180.32/328,668.12 = 130,750.20/x
  3. Step 3: Cross multiply
    238,180.32x = 328,668.12 × 130,750.20
  4. Step 4: Simplify right side
    238,180.32x = 42,973,422,423.62
  5. Step 5: Solve for x
    x = 42,973,422,423.62/238,180.32
  6. Step 6: Final answer
    x = 180,423.90

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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.