Home / 131,030.20-196,253.70-107,702.20

Finding the Fourth Proportional to 131,030.20, 196,253.70 and 107,702.20

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Solution

The fourth proportional to 131,030.20, 196,253.70 and 107,702.20 is: 161,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,030.20 : 196,253.70 = 107,702.20 : x
  2. Step 2: Convert to fraction form
    131,030.20/196,253.70 = 107,702.20/x
  3. Step 3: Cross multiply
    131,030.20x = 196,253.70 × 107,702.20
  4. Step 4: Simplify right side
    131,030.20x = 21,136,955,248.14
  5. Step 5: Solve for x
    x = 21,136,955,248.14/131,030.20
  6. Step 6: Final answer
    x = 161,313.62

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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.