Home / 203,204.02-280,426.06-115,987.36

Finding the Fourth Proportional to 203,204.02, 280,426.06 and 115,987.36

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Solution

The fourth proportional to 203,204.02, 280,426.06 and 115,987.36 is: 160,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,204.02 : 280,426.06 = 115,987.36 : x
  2. Step 2: Convert to fraction form
    203,204.02/280,426.06 = 115,987.36/x
  3. Step 3: Cross multiply
    203,204.02x = 280,426.06 × 115,987.36
  4. Step 4: Simplify right side
    203,204.02x = 32,525,878,374.60
  5. Step 5: Solve for x
    x = 32,525,878,374.60/203,204.02
  6. Step 6: Final answer
    x = 160,065.13

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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.