Home / 203,487.12-280,845.02-118,587.80

Finding the Fourth Proportional to 203,487.12, 280,845.02 and 118,587.80

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Solution

The fourth proportional to 203,487.12, 280,845.02 and 118,587.80 is: 163,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,487.12 : 280,845.02 = 118,587.80 : x
  2. Step 2: Convert to fraction form
    203,487.12/280,845.02 = 118,587.80/x
  3. Step 3: Cross multiply
    203,487.12x = 280,845.02 × 118,587.80
  4. Step 4: Simplify right side
    203,487.12x = 33,304,793,062.76
  5. Step 5: Solve for x
    x = 33,304,793,062.76/203,487.12
  6. Step 6: Final answer
    x = 163,670.28

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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.