Home / 134,533.68-185,657.76-74,104.59

Finding the Fourth Proportional to 134,533.68, 185,657.76 and 74,104.59

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Solution

The fourth proportional to 134,533.68, 185,657.76 and 74,104.59 is: 102,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,533.68 : 185,657.76 = 74,104.59 : x
  2. Step 2: Convert to fraction form
    134,533.68/185,657.76 = 74,104.59/x
  3. Step 3: Cross multiply
    134,533.68x = 185,657.76 × 74,104.59
  4. Step 4: Simplify right side
    134,533.68x = 13,758,092,185.12
  5. Step 5: Solve for x
    x = 13,758,092,185.12/134,533.68
  6. Step 6: Final answer
    x = 102,265.04

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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.