Home / 134,738.69-185,944.01-74,311.20

Finding the Fourth Proportional to 134,738.69, 185,944.01 and 74,311.20

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Solution

The fourth proportional to 134,738.69, 185,944.01 and 74,311.20 is: 102,552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,738.69 : 185,944.01 = 74,311.20 : x
  2. Step 2: Convert to fraction form
    134,738.69/185,944.01 = 74,311.20/x
  3. Step 3: Cross multiply
    134,738.69x = 185,944.01 × 74,311.20
  4. Step 4: Simplify right side
    134,738.69x = 13,817,722,144.36
  5. Step 5: Solve for x
    x = 13,817,722,144.36/134,738.69
  6. Step 6: Final answer
    x = 102,552.00

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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.