Home / 188,944.80-283,724.40-136,720.80

Finding the Fourth Proportional to 188,944.80, 283,724.40 and 136,720.80

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Solution

The fourth proportional to 188,944.80, 283,724.40 and 136,720.80 is: 205,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,944.80 : 283,724.40 = 136,720.80 : x
  2. Step 2: Convert to fraction form
    188,944.80/283,724.40 = 136,720.80/x
  3. Step 3: Cross multiply
    188,944.80x = 283,724.40 × 136,720.80
  4. Step 4: Simplify right side
    188,944.80x = 38,791,026,947.52
  5. Step 5: Solve for x
    x = 38,791,026,947.52/188,944.80
  6. Step 6: Final answer
    x = 205,303.49

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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.