Home / 131,306.40-196,943.18-36,543.69

Finding the Fourth Proportional to 131,306.40, 196,943.18 and 36,543.69

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Solution

The fourth proportional to 131,306.40, 196,943.18 and 36,543.69 is: 54,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,306.40 : 196,943.18 = 36,543.69 : x
  2. Step 2: Convert to fraction form
    131,306.40/196,943.18 = 36,543.69/x
  3. Step 3: Cross multiply
    131,306.40x = 196,943.18 × 36,543.69
  4. Step 4: Simplify right side
    131,306.40x = 7,197,030,334.82
  5. Step 5: Solve for x
    x = 7,197,030,334.82/131,306.40
  6. Step 6: Final answer
    x = 54,810.96

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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.