Home / 208,170.54-312,047.55-95,931.81

Finding the Fourth Proportional to 208,170.54, 312,047.55 and 95,931.81

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Solution

The fourth proportional to 208,170.54, 312,047.55 and 95,931.81 is: 143,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,170.54 : 312,047.55 = 95,931.81 : x
  2. Step 2: Convert to fraction form
    208,170.54/312,047.55 = 95,931.81/x
  3. Step 3: Cross multiply
    208,170.54x = 312,047.55 × 95,931.81
  4. Step 4: Simplify right side
    208,170.54x = 29,935,286,277.57
  5. Step 5: Solve for x
    x = 29,935,286,277.57/208,170.54
  6. Step 6: Final answer
    x = 143,801.74

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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.