Home / 207,272.02-310,907.96-74,144.20

Finding the Fourth Proportional to 207,272.02, 310,907.96 and 74,144.20

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Solution

The fourth proportional to 207,272.02, 310,907.96 and 74,144.20 is: 111,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,272.02 : 310,907.96 = 74,144.20 : x
  2. Step 2: Convert to fraction form
    207,272.02/310,907.96 = 74,144.20/x
  3. Step 3: Cross multiply
    207,272.02x = 310,907.96 × 74,144.20
  4. Step 4: Simplify right side
    207,272.02x = 23,052,021,967.83
  5. Step 5: Solve for x
    x = 23,052,021,967.83/207,272.02
  6. Step 6: Final answer
    x = 111,216.27

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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.