Home / 131,685.16-197,533.38-51,740.44

Finding the Fourth Proportional to 131,685.16, 197,533.38 and 51,740.44

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Solution

The fourth proportional to 131,685.16, 197,533.38 and 51,740.44 is: 77,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,685.16 : 197,533.38 = 51,740.44 : x
  2. Step 2: Convert to fraction form
    131,685.16/197,533.38 = 51,740.44/x
  3. Step 3: Cross multiply
    131,685.16x = 197,533.38 × 51,740.44
  4. Step 4: Simplify right side
    131,685.16x = 10,220,463,995.89
  5. Step 5: Solve for x
    x = 10,220,463,995.89/131,685.16
  6. Step 6: Final answer
    x = 77,612.88

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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.