Home / 107,809.10-161,713.65-97,441.10

Finding the Fourth Proportional to 107,809.10, 161,713.65 and 97,441.10

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Solution

The fourth proportional to 107,809.10, 161,713.65 and 97,441.10 is: 146,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,809.10 : 161,713.65 = 97,441.10 : x
  2. Step 2: Convert to fraction form
    107,809.10/161,713.65 = 97,441.10/x
  3. Step 3: Cross multiply
    107,809.10x = 161,713.65 × 97,441.10
  4. Step 4: Simplify right side
    107,809.10x = 15,757,555,941.02
  5. Step 5: Solve for x
    x = 15,757,555,941.02/107,809.10
  6. Step 6: Final answer
    x = 146,161.65

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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.