Home / 144,810.28-199,837.92-88,221.64

Finding the Fourth Proportional to 144,810.28, 199,837.92 and 88,221.64

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Solution

The fourth proportional to 144,810.28, 199,837.92 and 88,221.64 is: 121,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,810.28 : 199,837.92 = 88,221.64 : x
  2. Step 2: Convert to fraction form
    144,810.28/199,837.92 = 88,221.64/x
  3. Step 3: Cross multiply
    144,810.28x = 199,837.92 × 88,221.64
  4. Step 4: Simplify right side
    144,810.28x = 17,630,029,036.59
  5. Step 5: Solve for x
    x = 17,630,029,036.59/144,810.28
  6. Step 6: Final answer
    x = 121,745.70

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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.