Home / 134,618.06-185,774.19-74,190.88

Finding the Fourth Proportional to 134,618.06, 185,774.19 and 74,190.88

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Solution

The fourth proportional to 134,618.06, 185,774.19 and 74,190.88 is: 102,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,618.06 : 185,774.19 = 74,190.88 : x
  2. Step 2: Convert to fraction form
    134,618.06/185,774.19 = 74,190.88/x
  3. Step 3: Cross multiply
    134,618.06x = 185,774.19 × 74,190.88
  4. Step 4: Simplify right side
    134,618.06x = 13,782,750,637.39
  5. Step 5: Solve for x
    x = 13,782,750,637.39/134,618.06
  6. Step 6: Final answer
    x = 102,384.11

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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.