Home / 134,730.68-185,924.96-74,299.44

Finding the Fourth Proportional to 134,730.68, 185,924.96 and 74,299.44

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Solution

The fourth proportional to 134,730.68, 185,924.96 and 74,299.44 is: 102,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,730.68 : 185,924.96 = 74,299.44 : x
  2. Step 2: Convert to fraction form
    134,730.68/185,924.96 = 74,299.44/x
  3. Step 3: Cross multiply
    134,730.68x = 185,924.96 × 74,299.44
  4. Step 4: Simplify right side
    134,730.68x = 13,814,120,410.02
  5. Step 5: Solve for x
    x = 13,814,120,410.02/134,730.68
  6. Step 6: Final answer
    x = 102,531.36

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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.