Home / 126,501.28-189,784.78-37,754.78

Finding the Fourth Proportional to 126,501.28, 189,784.78 and 37,754.78

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Solution

The fourth proportional to 126,501.28, 189,784.78 and 37,754.78 is: 56,641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,501.28 : 189,784.78 = 37,754.78 : x
  2. Step 2: Convert to fraction form
    126,501.28/189,784.78 = 37,754.78/x
  3. Step 3: Cross multiply
    126,501.28x = 189,784.78 × 37,754.78
  4. Step 4: Simplify right side
    126,501.28x = 7,165,282,616.25
  5. Step 5: Solve for x
    x = 7,165,282,616.25/126,501.28
  6. Step 6: Final answer
    x = 56,641.98

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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.