Home / 131,815.32-197,515.92-101,902.92

Finding the Fourth Proportional to 131,815.32, 197,515.92 and 101,902.92

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Solution

The fourth proportional to 131,815.32, 197,515.92 and 101,902.92 is: 152,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,815.32 : 197,515.92 = 101,902.92 : x
  2. Step 2: Convert to fraction form
    131,815.32/197,515.92 = 101,902.92/x
  3. Step 3: Cross multiply
    131,815.32x = 197,515.92 × 101,902.92
  4. Step 4: Simplify right side
    131,815.32x = 20,127,448,994.49
  5. Step 5: Solve for x
    x = 20,127,448,994.49/131,815.32
  6. Step 6: Final answer
    x = 152,694.31

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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.