Home / 87,417.50-131,149.30-31,263.18

Finding the Fourth Proportional to 87,417.50, 131,149.30 and 31,263.18

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Solution

The fourth proportional to 87,417.50, 131,149.30 and 31,263.18 is: 46,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,417.50 : 131,149.30 = 31,263.18 : x
  2. Step 2: Convert to fraction form
    87,417.50/131,149.30 = 31,263.18/x
  3. Step 3: Cross multiply
    87,417.50x = 131,149.30 × 31,263.18
  4. Step 4: Simplify right side
    87,417.50x = 4,100,144,172.77
  5. Step 5: Solve for x
    x = 4,100,144,172.77/87,417.50
  6. Step 6: Final answer
    x = 46,903.01

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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.