Home / 216,011.90-324,017.85-109,723.70

Finding the Fourth Proportional to 216,011.90, 324,017.85 and 109,723.70

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Solution

The fourth proportional to 216,011.90, 324,017.85 and 109,723.70 is: 164,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,011.90 : 324,017.85 = 109,723.70 : x
  2. Step 2: Convert to fraction form
    216,011.90/324,017.85 = 109,723.70/x
  3. Step 3: Cross multiply
    216,011.90x = 324,017.85 × 109,723.70
  4. Step 4: Simplify right side
    216,011.90x = 35,552,437,368.05
  5. Step 5: Solve for x
    x = 35,552,437,368.05/216,011.90
  6. Step 6: Final answer
    x = 164,585.55

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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.