Home / 216,080.40-324,117.99-56,142.18

Finding the Fourth Proportional to 216,080.40, 324,117.99 and 56,142.18

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Solution

The fourth proportional to 216,080.40, 324,117.99 and 56,142.18 is: 84,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,080.40 : 324,117.99 = 56,142.18 : x
  2. Step 2: Convert to fraction form
    216,080.40/324,117.99 = 56,142.18/x
  3. Step 3: Cross multiply
    216,080.40x = 324,117.99 × 56,142.18
  4. Step 4: Simplify right side
    216,080.40x = 18,196,690,535.82
  5. Step 5: Solve for x
    x = 18,196,690,535.82/216,080.40
  6. Step 6: Final answer
    x = 84,212.59

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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.