Home / 131,476.90-197,248.51-36,707

Finding the Fourth Proportional to 131,476.90, 197,248.51 and 36,707

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Solution

The fourth proportional to 131,476.90, 197,248.51 and 36,707 is: 55,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,476.90 : 197,248.51 = 36,707 : x
  2. Step 2: Convert to fraction form
    131,476.90/197,248.51 = 36,707/x
  3. Step 3: Cross multiply
    131,476.90x = 197,248.51 × 36,707
  4. Step 4: Simplify right side
    131,476.90x = 7,240,401,056.57
  5. Step 5: Solve for x
    x = 7,240,401,056.57/131,476.90
  6. Step 6: Final answer
    x = 55,069.76

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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.