Home / 87,206.76-130,823.37-37,287

Finding the Fourth Proportional to 87,206.76, 130,823.37 and 37,287

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Solution

The fourth proportional to 87,206.76, 130,823.37 and 37,287 is: 55,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,206.76 : 130,823.37 = 37,287 : x
  2. Step 2: Convert to fraction form
    87,206.76/130,823.37 = 37,287/x
  3. Step 3: Cross multiply
    87,206.76x = 130,823.37 × 37,287
  4. Step 4: Simplify right side
    87,206.76x = 4,878,010,997.19
  5. Step 5: Solve for x
    x = 4,878,010,997.19/87,206.76
  6. Step 6: Final answer
    x = 55,936.16

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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.