Home / 87,222.90-130,900.59-63,910.26

Finding the Fourth Proportional to 87,222.90, 130,900.59 and 63,910.26

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Solution

The fourth proportional to 87,222.90, 130,900.59 and 63,910.26 is: 95,913.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,222.90 : 130,900.59 = 63,910.26 : x
  2. Step 2: Convert to fraction form
    87,222.90/130,900.59 = 63,910.26/x
  3. Step 3: Cross multiply
    87,222.90x = 130,900.59 × 63,910.26
  4. Step 4: Simplify right side
    87,222.90x = 8,365,890,741.05
  5. Step 5: Solve for x
    x = 8,365,890,741.05/87,222.90
  6. Step 6: Final answer
    x = 95,913.93

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1.5x scale

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.