Home / 177,197.85-265,907.40-72,016.80

Finding the Fourth Proportional to 177,197.85, 265,907.40 and 72,016.80

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Solution

The fourth proportional to 177,197.85, 265,907.40 and 72,016.80 is: 108,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,197.85 : 265,907.40 = 72,016.80 : x
  2. Step 2: Convert to fraction form
    177,197.85/265,907.40 = 72,016.80/x
  3. Step 3: Cross multiply
    177,197.85x = 265,907.40 × 72,016.80
  4. Step 4: Simplify right side
    177,197.85x = 19,149,800,044.32
  5. Step 5: Solve for x
    x = 19,149,800,044.32/177,197.85
  6. Step 6: Final answer
    x = 108,070.16

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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.