Home / 87,270.14-130,897.88-34,665.50

Finding the Fourth Proportional to 87,270.14, 130,897.88 and 34,665.50

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Solution

The fourth proportional to 87,270.14, 130,897.88 and 34,665.50 is: 51,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,270.14 : 130,897.88 = 34,665.50 : x
  2. Step 2: Convert to fraction form
    87,270.14/130,897.88 = 34,665.50/x
  3. Step 3: Cross multiply
    87,270.14x = 130,897.88 × 34,665.50
  4. Step 4: Simplify right side
    87,270.14x = 4,537,640,459.14
  5. Step 5: Solve for x
    x = 4,537,640,459.14/87,270.14
  6. Step 6: Final answer
    x = 51,995.34

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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.