Home / 87,163.53-130,702.06-30,995.18

Finding the Fourth Proportional to 87,163.53, 130,702.06 and 30,995.18

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Solution

The fourth proportional to 87,163.53, 130,702.06 and 30,995.18 is: 46,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,163.53 : 130,702.06 = 30,995.18 : x
  2. Step 2: Convert to fraction form
    87,163.53/130,702.06 = 30,995.18/x
  3. Step 3: Cross multiply
    87,163.53x = 130,702.06 × 30,995.18
  4. Step 4: Simplify right side
    87,163.53x = 4,051,133,876.07
  5. Step 5: Solve for x
    x = 4,051,133,876.07/87,163.53
  6. Step 6: Final answer
    x = 46,477.40

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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.