Home / 87,097.57-130,614.96-30,156.01

Finding the Fourth Proportional to 87,097.57, 130,614.96 and 30,156.01

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Solution

The fourth proportional to 87,097.57, 130,614.96 and 30,156.01 is: 45,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,097.57 : 130,614.96 = 30,156.01 : x
  2. Step 2: Convert to fraction form
    87,097.57/130,614.96 = 30,156.01/x
  3. Step 3: Cross multiply
    87,097.57x = 130,614.96 × 30,156.01
  4. Step 4: Simplify right side
    87,097.57x = 3,938,825,826.46
  5. Step 5: Solve for x
    x = 3,938,825,826.46/87,097.57
  6. Step 6: Final answer
    x = 45,223.14

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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.