Home / 107,852.20-161,729.70-41,270.20

Finding the Fourth Proportional to 107,852.20, 161,729.70 and 41,270.20

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Solution

The fourth proportional to 107,852.20, 161,729.70 and 41,270.20 is: 61,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,852.20 : 161,729.70 = 41,270.20 : x
  2. Step 2: Convert to fraction form
    107,852.20/161,729.70 = 41,270.20/x
  3. Step 3: Cross multiply
    107,852.20x = 161,729.70 × 41,270.20
  4. Step 4: Simplify right side
    107,852.20x = 6,674,617,064.94
  5. Step 5: Solve for x
    x = 6,674,617,064.94/107,852.20
  6. Step 6: Final answer
    x = 61,886.70

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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.