Home / 77,874.96-116,818.68-31,102.16

Finding the Fourth Proportional to 77,874.96, 116,818.68 and 31,102.16

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Solution

The fourth proportional to 77,874.96, 116,818.68 and 31,102.16 is: 46,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,874.96 : 116,818.68 = 31,102.16 : x
  2. Step 2: Convert to fraction form
    77,874.96/116,818.68 = 31,102.16/x
  3. Step 3: Cross multiply
    77,874.96x = 116,818.68 × 31,102.16
  4. Step 4: Simplify right side
    77,874.96x = 3,633,313,276.35
  5. Step 5: Solve for x
    x = 3,633,313,276.35/77,874.96
  6. Step 6: Final answer
    x = 46,655.73

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1.5x scale

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.