Home / 110,518.83-152,395.25-74,646.56

Finding the Fourth Proportional to 110,518.83, 152,395.25 and 74,646.56

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Solution

The fourth proportional to 110,518.83, 152,395.25 and 74,646.56 is: 102,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,518.83 : 152,395.25 = 74,646.56 : x
  2. Step 2: Convert to fraction form
    110,518.83/152,395.25 = 74,646.56/x
  3. Step 3: Cross multiply
    110,518.83x = 152,395.25 × 74,646.56
  4. Step 4: Simplify right side
    110,518.83x = 11,375,780,037.63
  5. Step 5: Solve for x
    x = 11,375,780,037.63/110,518.83
  6. Step 6: Final answer
    x = 102,930.70

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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.