Home / 136,236.64-204,354.76-42,749.68

Finding the Fourth Proportional to 136,236.64, 204,354.76 and 42,749.68

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Solution

The fourth proportional to 136,236.64, 204,354.76 and 42,749.68 is: 64,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,236.64 : 204,354.76 = 42,749.68 : x
  2. Step 2: Convert to fraction form
    136,236.64/204,354.76 = 42,749.68/x
  3. Step 3: Cross multiply
    136,236.64x = 204,354.76 × 42,749.68
  4. Step 4: Simplify right side
    136,236.64x = 8,736,100,596.48
  5. Step 5: Solve for x
    x = 8,736,100,596.48/136,236.64
  6. Step 6: Final answer
    x = 64,124.46

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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.