Home / 207,185.44-285,812.40-130,799.20

Finding the Fourth Proportional to 207,185.44, 285,812.40 and 130,799.20

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Solution

The fourth proportional to 207,185.44, 285,812.40 and 130,799.20 is: 180,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,185.44 : 285,812.40 = 130,799.20 : x
  2. Step 2: Convert to fraction form
    207,185.44/285,812.40 = 130,799.20/x
  3. Step 3: Cross multiply
    207,185.44x = 285,812.40 × 130,799.20
  4. Step 4: Simplify right side
    207,185.44x = 37,384,033,270.08
  5. Step 5: Solve for x
    x = 37,384,033,270.08/207,185.44
  6. Step 6: Final answer
    x = 180,437.55

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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.