Home / 236,784.02-326,766.76-129,361.01

Finding the Fourth Proportional to 236,784.02, 326,766.76 and 129,361.01

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Solution

The fourth proportional to 236,784.02, 326,766.76 and 129,361.01 is: 178,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,784.02 : 326,766.76 = 129,361.01 : x
  2. Step 2: Convert to fraction form
    236,784.02/326,766.76 = 129,361.01/x
  3. Step 3: Cross multiply
    236,784.02x = 326,766.76 × 129,361.01
  4. Step 4: Simplify right side
    236,784.02x = 42,270,876,150.79
  5. Step 5: Solve for x
    x = 42,270,876,150.79/236,784.02
  6. Step 6: Final answer
    x = 178,520.82

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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.