Home / 100,495.04-150,742.40-38,165.44

Finding the Fourth Proportional to 100,495.04, 150,742.40 and 38,165.44

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Solution

The fourth proportional to 100,495.04, 150,742.40 and 38,165.44 is: 57,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,495.04 : 150,742.40 = 38,165.44 : x
  2. Step 2: Convert to fraction form
    100,495.04/150,742.40 = 38,165.44/x
  3. Step 3: Cross multiply
    100,495.04x = 150,742.40 × 38,165.44
  4. Step 4: Simplify right side
    100,495.04x = 5,753,150,022.66
  5. Step 5: Solve for x
    x = 5,753,150,022.66/100,495.04
  6. Step 6: Final answer
    x = 57,248.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.