Home / 134,332.20-201,491-40,830.66

Finding the Fourth Proportional to 134,332.20, 201,491 and 40,830.66

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Solution

The fourth proportional to 134,332.20, 201,491 and 40,830.66 is: 61,243.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,332.20 : 201,491 = 40,830.66 : x
  2. Step 2: Convert to fraction form
    134,332.20/201,491 = 40,830.66/x
  3. Step 3: Cross multiply
    134,332.20x = 201,491 × 40,830.66
  4. Step 4: Simplify right side
    134,332.20x = 8,227,010,514.06
  5. Step 5: Solve for x
    x = 8,227,010,514.06/134,332.20
  6. Step 6: Final answer
    x = 61,243.77

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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.