Home / 170,936.48-256,358.64-77,348

Finding the Fourth Proportional to 170,936.48, 256,358.64 and 77,348

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Solution

The fourth proportional to 170,936.48, 256,358.64 and 77,348 is: 116,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,936.48 : 256,358.64 = 77,348 : x
  2. Step 2: Convert to fraction form
    170,936.48/256,358.64 = 77,348/x
  3. Step 3: Cross multiply
    170,936.48x = 256,358.64 × 77,348
  4. Step 4: Simplify right side
    170,936.48x = 19,828,828,086.72
  5. Step 5: Solve for x
    x = 19,828,828,086.72/170,936.48
  6. Step 6: Final answer
    x = 116,001.15

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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.