Home / 103,421.96-155,179.73-52,794.83

Finding the Fourth Proportional to 103,421.96, 155,179.73 and 52,794.83

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Solution

The fourth proportional to 103,421.96, 155,179.73 and 52,794.83 is: 79,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,421.96 : 155,179.73 = 52,794.83 : x
  2. Step 2: Convert to fraction form
    103,421.96/155,179.73 = 52,794.83/x
  3. Step 3: Cross multiply
    103,421.96x = 155,179.73 × 52,794.83
  4. Step 4: Simplify right side
    103,421.96x = 8,192,687,464.80
  5. Step 5: Solve for x
    x = 8,192,687,464.80/103,421.96
  6. Step 6: Final answer
    x = 79,216.13

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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.