Home / 104,270.56-156,655.08-66,904

Finding the Fourth Proportional to 104,270.56, 156,655.08 and 66,904

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Solution

The fourth proportional to 104,270.56, 156,655.08 and 66,904 is: 100,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,270.56 : 156,655.08 = 66,904 : x
  2. Step 2: Convert to fraction form
    104,270.56/156,655.08 = 66,904/x
  3. Step 3: Cross multiply
    104,270.56x = 156,655.08 × 66,904
  4. Step 4: Simplify right side
    104,270.56x = 10,480,851,472.32
  5. Step 5: Solve for x
    x = 10,480,851,472.32/104,270.56
  6. Step 6: Final answer
    x = 100,515.92

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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.