Home / 215,035.80-296,757.06-118,247.03

Finding the Fourth Proportional to 215,035.80, 296,757.06 and 118,247.03

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Solution

The fourth proportional to 215,035.80, 296,757.06 and 118,247.03 is: 163,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,035.80 : 296,757.06 = 118,247.03 : x
  2. Step 2: Convert to fraction form
    215,035.80/296,757.06 = 118,247.03/x
  3. Step 3: Cross multiply
    215,035.80x = 296,757.06 × 118,247.03
  4. Step 4: Simplify right side
    215,035.80x = 35,090,639,492.75
  5. Step 5: Solve for x
    x = 35,090,639,492.75/215,035.80
  6. Step 6: Final answer
    x = 163,185.10

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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.