Home / 131,345.34-196,928.02-47,103.70

Finding the Fourth Proportional to 131,345.34, 196,928.02 and 47,103.70

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Solution

The fourth proportional to 131,345.34, 196,928.02 and 47,103.70 is: 70,623.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,345.34 : 196,928.02 = 47,103.70 : x
  2. Step 2: Convert to fraction form
    131,345.34/196,928.02 = 47,103.70/x
  3. Step 3: Cross multiply
    131,345.34x = 196,928.02 × 47,103.70
  4. Step 4: Simplify right side
    131,345.34x = 9,276,038,375.67
  5. Step 5: Solve for x
    x = 9,276,038,375.67/131,345.34
  6. Step 6: Final answer
    x = 70,623.28

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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.