Home / 238,096.70-328,579.84-130,670.55

Finding the Fourth Proportional to 238,096.70, 328,579.84 and 130,670.55

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Solution

The fourth proportional to 238,096.70, 328,579.84 and 130,670.55 is: 180,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,096.70 : 328,579.84 = 130,670.55 : x
  2. Step 2: Convert to fraction form
    238,096.70/328,579.84 = 130,670.55/x
  3. Step 3: Cross multiply
    238,096.70x = 328,579.84 × 130,670.55
  4. Step 4: Simplify right side
    238,096.70x = 42,935,708,575.05
  5. Step 5: Solve for x
    x = 42,935,708,575.05/238,096.70
  6. Step 6: Final answer
    x = 180,328.87

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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.