Home / 125,519.81-188,285.76-41,278.10

Finding the Fourth Proportional to 125,519.81, 188,285.76 and 41,278.10

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Solution

The fourth proportional to 125,519.81, 188,285.76 and 41,278.10 is: 61,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,519.81 : 188,285.76 = 41,278.10 : x
  2. Step 2: Convert to fraction form
    125,519.81/188,285.76 = 41,278.10/x
  3. Step 3: Cross multiply
    125,519.81x = 188,285.76 × 41,278.10
  4. Step 4: Simplify right side
    125,519.81x = 7,772,077,488.43
  5. Step 5: Solve for x
    x = 7,772,077,488.43/125,519.81
  6. Step 6: Final answer
    x = 61,919.13

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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.