Home / 178,745.15-267,709.39-85,316.51

Finding the Fourth Proportional to 178,745.15, 267,709.39 and 85,316.51

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Solution

The fourth proportional to 178,745.15, 267,709.39 and 85,316.51 is: 127,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,745.15 : 267,709.39 = 85,316.51 : x
  2. Step 2: Convert to fraction form
    178,745.15/267,709.39 = 85,316.51/x
  3. Step 3: Cross multiply
    178,745.15x = 267,709.39 × 85,316.51
  4. Step 4: Simplify right side
    178,745.15x = 22,840,031,305.01
  5. Step 5: Solve for x
    x = 22,840,031,305.01/178,745.15
  6. Step 6: Final answer
    x = 127,779.86

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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.