Home / 131,500.10-196,990.32-86,992.22

Finding the Fourth Proportional to 131,500.10, 196,990.32 and 86,992.22

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Solution

The fourth proportional to 131,500.10, 196,990.32 and 86,992.22 is: 130,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,500.10 : 196,990.32 = 86,992.22 : x
  2. Step 2: Convert to fraction form
    131,500.10/196,990.32 = 86,992.22/x
  3. Step 3: Cross multiply
    131,500.10x = 196,990.32 × 86,992.22
  4. Step 4: Simplify right side
    131,500.10x = 17,136,625,255.31
  5. Step 5: Solve for x
    x = 17,136,625,255.31/131,500.10
  6. Step 6: Final answer
    x = 130,316.44

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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.