Home / 119,012.34-178,519.12-40,127.25

Finding the Fourth Proportional to 119,012.34, 178,519.12 and 40,127.25

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Solution

The fourth proportional to 119,012.34, 178,519.12 and 40,127.25 is: 60,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,012.34 : 178,519.12 = 40,127.25 : x
  2. Step 2: Convert to fraction form
    119,012.34/178,519.12 = 40,127.25/x
  3. Step 3: Cross multiply
    119,012.34x = 178,519.12 × 40,127.25
  4. Step 4: Simplify right side
    119,012.34x = 7,163,481,358.02
  5. Step 5: Solve for x
    x = 7,163,481,358.02/119,012.34
  6. Step 6: Final answer
    x = 60,191.08

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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.