Home / 194,920.80-292,496.40-142,197.60

Finding the Fourth Proportional to 194,920.80, 292,496.40 and 142,197.60

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Solution

The fourth proportional to 194,920.80, 292,496.40 and 142,197.60 is: 213,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,920.80 : 292,496.40 = 142,197.60 : x
  2. Step 2: Convert to fraction form
    194,920.80/292,496.40 = 142,197.60/x
  3. Step 3: Cross multiply
    194,920.80x = 292,496.40 × 142,197.60
  4. Step 4: Simplify right side
    194,920.80x = 41,592,286,088.64
  5. Step 5: Solve for x
    x = 41,592,286,088.64/194,920.80
  6. Step 6: Final answer
    x = 213,380.44

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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.