Home / 121,901.34-182,786.27-55,305.13

Finding the Fourth Proportional to 121,901.34, 182,786.27 and 55,305.13

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Solution

The fourth proportional to 121,901.34, 182,786.27 and 55,305.13 is: 82,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,901.34 : 182,786.27 = 55,305.13 : x
  2. Step 2: Convert to fraction form
    121,901.34/182,786.27 = 55,305.13/x
  3. Step 3: Cross multiply
    121,901.34x = 182,786.27 × 55,305.13
  4. Step 4: Simplify right side
    121,901.34x = 10,109,018,424.57
  5. Step 5: Solve for x
    x = 10,109,018,424.57/121,901.34
  6. Step 6: Final answer
    x = 82,927.87

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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.