Home / 198,070.39-297,100.37-55,925.51

Finding the Fourth Proportional to 198,070.39, 297,100.37 and 55,925.51

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Solution

The fourth proportional to 198,070.39, 297,100.37 and 55,925.51 is: 83,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,070.39 : 297,100.37 = 55,925.51 : x
  2. Step 2: Convert to fraction form
    198,070.39/297,100.37 = 55,925.51/x
  3. Step 3: Cross multiply
    198,070.39x = 297,100.37 × 55,925.51
  4. Step 4: Simplify right side
    198,070.39x = 16,615,488,367.75
  5. Step 5: Solve for x
    x = 16,615,488,367.75/198,070.39
  6. Step 6: Final answer
    x = 83,886.79

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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.