Home / 131,009.81-196,478.87-36,217.33

Finding the Fourth Proportional to 131,009.81, 196,478.87 and 36,217.33

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Solution

The fourth proportional to 131,009.81, 196,478.87 and 36,217.33 is: 54,316.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,009.81 : 196,478.87 = 36,217.33 : x
  2. Step 2: Convert to fraction form
    131,009.81/196,478.87 = 36,217.33/x
  3. Step 3: Cross multiply
    131,009.81x = 196,478.87 × 36,217.33
  4. Step 4: Simplify right side
    131,009.81x = 7,115,939,400.53
  5. Step 5: Solve for x
    x = 7,115,939,400.53/131,009.81
  6. Step 6: Final answer
    x = 54,316.08

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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.