Home / 225,985.56-311,862.06-130,508.52

Finding the Fourth Proportional to 225,985.56, 311,862.06 and 130,508.52

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Solution

The fourth proportional to 225,985.56, 311,862.06 and 130,508.52 is: 180,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,985.56 : 311,862.06 = 130,508.52 : x
  2. Step 2: Convert to fraction form
    225,985.56/311,862.06 = 130,508.52/x
  3. Step 3: Cross multiply
    225,985.56x = 311,862.06 × 130,508.52
  4. Step 4: Simplify right side
    225,985.56x = 40,700,655,894.75
  5. Step 5: Solve for x
    x = 40,700,655,894.75/225,985.56
  6. Step 6: Final answer
    x = 180,102.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.