Home / 87,143.94-130,700.18-23,102.51

Finding the Fourth Proportional to 87,143.94, 130,700.18 and 23,102.51

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Solution

The fourth proportional to 87,143.94, 130,700.18 and 23,102.51 is: 34,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,143.94 : 130,700.18 = 23,102.51 : x
  2. Step 2: Convert to fraction form
    87,143.94/130,700.18 = 23,102.51/x
  3. Step 3: Cross multiply
    87,143.94x = 130,700.18 × 23,102.51
  4. Step 4: Simplify right side
    87,143.94x = 3,019,501,619.71
  5. Step 5: Solve for x
    x = 3,019,501,619.71/87,143.94
  6. Step 6: Final answer
    x = 34,649.59

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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.