Home / 107,855.12-161,782.68-45,526.16

Finding the Fourth Proportional to 107,855.12, 161,782.68 and 45,526.16

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Solution

The fourth proportional to 107,855.12, 161,782.68 and 45,526.16 is: 68,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,855.12 : 161,782.68 = 45,526.16 : x
  2. Step 2: Convert to fraction form
    107,855.12/161,782.68 = 45,526.16/x
  3. Step 3: Cross multiply
    107,855.12x = 161,782.68 × 45,526.16
  4. Step 4: Simplify right side
    107,855.12x = 7,365,344,174.91
  5. Step 5: Solve for x
    x = 7,365,344,174.91/107,855.12
  6. Step 6: Final answer
    x = 68,289.24

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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.