Home / 205,746.20-308,588.12-55,998.16

Finding the Fourth Proportional to 205,746.20, 308,588.12 and 55,998.16

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Solution

The fourth proportional to 205,746.20, 308,588.12 and 55,998.16 is: 83,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,746.20 : 308,588.12 = 55,998.16 : x
  2. Step 2: Convert to fraction form
    205,746.20/308,588.12 = 55,998.16/x
  3. Step 3: Cross multiply
    205,746.20x = 308,588.12 × 55,998.16
  4. Step 4: Simplify right side
    205,746.20x = 17,280,367,443.59
  5. Step 5: Solve for x
    x = 17,280,367,443.59/205,746.20
  6. Step 6: Final answer
    x = 83,988.76

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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.