Home / 178,476.10-267,628.02-103,615.09

Finding the Fourth Proportional to 178,476.10, 267,628.02 and 103,615.09

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Solution

The fourth proportional to 178,476.10, 267,628.02 and 103,615.09 is: 155,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,476.10 : 267,628.02 = 103,615.09 : x
  2. Step 2: Convert to fraction form
    178,476.10/267,628.02 = 103,615.09/x
  3. Step 3: Cross multiply
    178,476.10x = 267,628.02 × 103,615.09
  4. Step 4: Simplify right side
    178,476.10x = 27,730,301,378.82
  5. Step 5: Solve for x
    x = 27,730,301,378.82/178,476.10
  6. Step 6: Final answer
    x = 155,372.63

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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.