Home / 151,987.08-209,768.22-88,361.79

Finding the Fourth Proportional to 151,987.08, 209,768.22 and 88,361.79

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Solution

The fourth proportional to 151,987.08, 209,768.22 and 88,361.79 is: 121,954.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,987.08 : 209,768.22 = 88,361.79 : x
  2. Step 2: Convert to fraction form
    151,987.08/209,768.22 = 88,361.79/x
  3. Step 3: Cross multiply
    151,987.08x = 209,768.22 × 88,361.79
  4. Step 4: Simplify right side
    151,987.08x = 18,535,495,404.31
  5. Step 5: Solve for x
    x = 18,535,495,404.31/151,987.08
  6. Step 6: Final answer
    x = 121,954.41

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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.