Home / 218,033.02-326,986.35-84,883.60

Finding the Fourth Proportional to 218,033.02, 326,986.35 and 84,883.60

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Solution

The fourth proportional to 218,033.02, 326,986.35 and 84,883.60 is: 127,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,033.02 : 326,986.35 = 84,883.60 : x
  2. Step 2: Convert to fraction form
    218,033.02/326,986.35 = 84,883.60/x
  3. Step 3: Cross multiply
    218,033.02x = 326,986.35 × 84,883.60
  4. Step 4: Simplify right side
    218,033.02x = 27,755,778,538.86
  5. Step 5: Solve for x
    x = 27,755,778,538.86/218,033.02
  6. Step 6: Final answer
    x = 127,300.80

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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.