Home / 87,368.02-131,019.69-31,193.03

Finding the Fourth Proportional to 87,368.02, 131,019.69 and 31,193.03

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Solution

The fourth proportional to 87,368.02, 131,019.69 and 31,193.03 is: 46,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,368.02 : 131,019.69 = 31,193.03 : x
  2. Step 2: Convert to fraction form
    87,368.02/131,019.69 = 31,193.03/x
  3. Step 3: Cross multiply
    87,368.02x = 131,019.69 × 31,193.03
  4. Step 4: Simplify right side
    87,368.02x = 4,086,901,120.76
  5. Step 5: Solve for x
    x = 4,086,901,120.76/87,368.02
  6. Step 6: Final answer
    x = 46,778.00

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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.