Home / 77,511.78-116,244.56-30,134.23

Finding the Fourth Proportional to 77,511.78, 116,244.56 and 30,134.23

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Solution

The fourth proportional to 77,511.78, 116,244.56 and 30,134.23 is: 45,192.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,511.78 : 116,244.56 = 30,134.23 : x
  2. Step 2: Convert to fraction form
    77,511.78/116,244.56 = 30,134.23/x
  3. Step 3: Cross multiply
    77,511.78x = 116,244.56 × 30,134.23
  4. Step 4: Simplify right side
    77,511.78x = 3,502,940,092.01
  5. Step 5: Solve for x
    x = 3,502,940,092.01/77,511.78
  6. Step 6: Final answer
    x = 45,192.36

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1.5x scale

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.