Home / 203,372.28-304,876.98-103,476.60

Finding the Fourth Proportional to 203,372.28, 304,876.98 and 103,476.60

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Solution

The fourth proportional to 203,372.28, 304,876.98 and 103,476.60 is: 155,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,372.28 : 304,876.98 = 103,476.60 : x
  2. Step 2: Convert to fraction form
    203,372.28/304,876.98 = 103,476.60/x
  3. Step 3: Cross multiply
    203,372.28x = 304,876.98 × 103,476.60
  4. Step 4: Simplify right side
    203,372.28x = 31,547,633,308.67
  5. Step 5: Solve for x
    x = 31,547,633,308.67/203,372.28
  6. Step 6: Final answer
    x = 155,122.58

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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.