Home / 126,537.59-189,743.79-42,268.83

Finding the Fourth Proportional to 126,537.59, 189,743.79 and 42,268.83

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Solution

The fourth proportional to 126,537.59, 189,743.79 and 42,268.83 is: 63,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,537.59 : 189,743.79 = 42,268.83 : x
  2. Step 2: Convert to fraction form
    126,537.59/189,743.79 = 42,268.83/x
  3. Step 3: Cross multiply
    126,537.59x = 189,743.79 × 42,268.83
  4. Step 4: Simplify right side
    126,537.59x = 8,020,248,003.07
  5. Step 5: Solve for x
    x = 8,020,248,003.07/126,537.59
  6. Step 6: Final answer
    x = 63,382.34

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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.