Home / 140,768.04-211,165.80-40,929

Finding the Fourth Proportional to 140,768.04, 211,165.80 and 40,929

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Solution

The fourth proportional to 140,768.04, 211,165.80 and 40,929 is: 61,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,768.04 : 211,165.80 = 40,929 : x
  2. Step 2: Convert to fraction form
    140,768.04/211,165.80 = 40,929/x
  3. Step 3: Cross multiply
    140,768.04x = 211,165.80 × 40,929
  4. Step 4: Simplify right side
    140,768.04x = 8,642,805,028.20
  5. Step 5: Solve for x
    x = 8,642,805,028.20/140,768.04
  6. Step 6: Final answer
    x = 61,397.49

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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.