Home / 135,749.10-203,652.92-40,971.35

Finding the Fourth Proportional to 135,749.10, 203,652.92 and 40,971.35

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Solution

The fourth proportional to 135,749.10, 203,652.92 and 40,971.35 is: 61,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,749.10 : 203,652.92 = 40,971.35 : x
  2. Step 2: Convert to fraction form
    135,749.10/203,652.92 = 40,971.35/x
  3. Step 3: Cross multiply
    135,749.10x = 203,652.92 × 40,971.35
  4. Step 4: Simplify right side
    135,749.10x = 8,343,935,368.12
  5. Step 5: Solve for x
    x = 8,343,935,368.12/135,749.10
  6. Step 6: Final answer
    x = 61,465.86

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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.