Home / 202,392.28-279,285.60-117,515.62

Finding the Fourth Proportional to 202,392.28, 279,285.60 and 117,515.62

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Solution

The fourth proportional to 202,392.28, 279,285.60 and 117,515.62 is: 162,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,392.28 : 279,285.60 = 117,515.62 : x
  2. Step 2: Convert to fraction form
    202,392.28/279,285.60 = 117,515.62/x
  3. Step 3: Cross multiply
    202,392.28x = 279,285.60 × 117,515.62
  4. Step 4: Simplify right side
    202,392.28x = 32,820,420,441.07
  5. Step 5: Solve for x
    x = 32,820,420,441.07/202,392.28
  6. Step 6: Final answer
    x = 162,162.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.