Home / 238,090.87-328,555.07-130,662.70

Finding the Fourth Proportional to 238,090.87, 328,555.07 and 130,662.70

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Solution

The fourth proportional to 238,090.87, 328,555.07 and 130,662.70 is: 180,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,090.87 : 328,555.07 = 130,662.70 : x
  2. Step 2: Convert to fraction form
    238,090.87/328,555.07 = 130,662.70/x
  3. Step 3: Cross multiply
    238,090.87x = 328,555.07 × 130,662.70
  4. Step 4: Simplify right side
    238,090.87x = 42,929,891,560.17
  5. Step 5: Solve for x
    x = 42,929,891,560.17/238,090.87
  6. Step 6: Final answer
    x = 180,308.85

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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.