Home / 270,678.24-406,073.39-81,130.95

Finding the Fourth Proportional to 270,678.24, 406,073.39 and 81,130.95

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Solution

The fourth proportional to 270,678.24, 406,073.39 and 81,130.95 is: 121,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,678.24 : 406,073.39 = 81,130.95 : x
  2. Step 2: Convert to fraction form
    270,678.24/406,073.39 = 81,130.95/x
  3. Step 3: Cross multiply
    270,678.24x = 406,073.39 × 81,130.95
  4. Step 4: Simplify right side
    270,678.24x = 32,945,119,494.77
  5. Step 5: Solve for x
    x = 32,945,119,494.77/270,678.24
  6. Step 6: Final answer
    x = 121,713.22

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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.