Home / 131,298.15-196,982.16-47,066.86

Finding the Fourth Proportional to 131,298.15, 196,982.16 and 47,066.86

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Solution

The fourth proportional to 131,298.15, 196,982.16 and 47,066.86 is: 70,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,298.15 : 196,982.16 = 47,066.86 : x
  2. Step 2: Convert to fraction form
    131,298.15/196,982.16 = 47,066.86/x
  3. Step 3: Cross multiply
    131,298.15x = 196,982.16 × 47,066.86
  4. Step 4: Simplify right side
    131,298.15x = 9,271,331,747.22
  5. Step 5: Solve for x
    x = 9,271,331,747.22/131,298.15
  6. Step 6: Final answer
    x = 70,612.81

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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.