Home / 215,000.48-296,704.18-118,208.42

Finding the Fourth Proportional to 215,000.48, 296,704.18 and 118,208.42

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Solution

The fourth proportional to 215,000.48, 296,704.18 and 118,208.42 is: 163,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,000.48 : 296,704.18 = 118,208.42 : x
  2. Step 2: Convert to fraction form
    215,000.48/296,704.18 = 118,208.42/x
  3. Step 3: Cross multiply
    215,000.48x = 296,704.18 × 118,208.42
  4. Step 4: Simplify right side
    215,000.48x = 35,072,932,325.20
  5. Step 5: Solve for x
    x = 35,072,932,325.20/215,000.48
  6. Step 6: Final answer
    x = 163,129.55

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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.