Home / 131,444.20-196,907.10-75,975.40

Finding the Fourth Proportional to 131,444.20, 196,907.10 and 75,975.40

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Solution

The fourth proportional to 131,444.20, 196,907.10 and 75,975.40 is: 113,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,444.20 : 196,907.10 = 75,975.40 : x
  2. Step 2: Convert to fraction form
    131,444.20/196,907.10 = 75,975.40/x
  3. Step 3: Cross multiply
    131,444.20x = 196,907.10 × 75,975.40
  4. Step 4: Simplify right side
    131,444.20x = 14,960,095,685.34
  5. Step 5: Solve for x
    x = 14,960,095,685.34/131,444.20
  6. Step 6: Final answer
    x = 113,813.28

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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.