Home / 131,210.40-196,864.20-52,381.20

Finding the Fourth Proportional to 131,210.40, 196,864.20 and 52,381.20

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Solution

The fourth proportional to 131,210.40, 196,864.20 and 52,381.20 is: 78,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,210.40 : 196,864.20 = 52,381.20 : x
  2. Step 2: Convert to fraction form
    131,210.40/196,864.20 = 52,381.20/x
  3. Step 3: Cross multiply
    131,210.40x = 196,864.20 × 52,381.20
  4. Step 4: Simplify right side
    131,210.40x = 10,311,983,033.04
  5. Step 5: Solve for x
    x = 10,311,983,033.04/131,210.40
  6. Step 6: Final answer
    x = 78,591.20

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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.