Home / 165,403.84-228,177.12-98,288.32

Finding the Fourth Proportional to 165,403.84, 228,177.12 and 98,288.32

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Solution

The fourth proportional to 165,403.84, 228,177.12 and 98,288.32 is: 135,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,403.84 : 228,177.12 = 98,288.32 : x
  2. Step 2: Convert to fraction form
    165,403.84/228,177.12 = 98,288.32/x
  3. Step 3: Cross multiply
    165,403.84x = 228,177.12 × 98,288.32
  4. Step 4: Simplify right side
    165,403.84x = 22,427,145,787.24
  5. Step 5: Solve for x
    x = 22,427,145,787.24/165,403.84
  6. Step 6: Final answer
    x = 135,590.24

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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.