Home / 134,649.03-185,814.74-74,219.73

Finding the Fourth Proportional to 134,649.03, 185,814.74 and 74,219.73

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Solution

The fourth proportional to 134,649.03, 185,814.74 and 74,219.73 is: 102,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,649.03 : 185,814.74 = 74,219.73 : x
  2. Step 2: Convert to fraction form
    134,649.03/185,814.74 = 74,219.73/x
  3. Step 3: Cross multiply
    134,649.03x = 185,814.74 × 74,219.73
  4. Step 4: Simplify right side
    134,649.03x = 13,791,119,321.56
  5. Step 5: Solve for x
    x = 13,791,119,321.56/134,649.03
  6. Step 6: Final answer
    x = 102,422.71

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1.5x scale

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.