Home / 253,165.02-379,785.28-93,228.65

Finding the Fourth Proportional to 253,165.02, 379,785.28 and 93,228.65

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Solution

The fourth proportional to 253,165.02, 379,785.28 and 93,228.65 is: 139,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,165.02 : 379,785.28 = 93,228.65 : x
  2. Step 2: Convert to fraction form
    253,165.02/379,785.28 = 93,228.65/x
  3. Step 3: Cross multiply
    253,165.02x = 379,785.28 × 93,228.65
  4. Step 4: Simplify right side
    253,165.02x = 35,406,868,944.27
  5. Step 5: Solve for x
    x = 35,406,868,944.27/253,165.02
  6. Step 6: Final answer
    x = 139,856.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.