Home / 130,629.62-194,860.01-126,256.55

Finding the Fourth Proportional to 130,629.62, 194,860.01 and 126,256.55

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Solution

The fourth proportional to 130,629.62, 194,860.01 and 126,256.55 is: 188,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,629.62 : 194,860.01 = 126,256.55 : x
  2. Step 2: Convert to fraction form
    130,629.62/194,860.01 = 126,256.55/x
  3. Step 3: Cross multiply
    130,629.62x = 194,860.01 × 126,256.55
  4. Step 4: Simplify right side
    130,629.62x = 24,602,350,989.98
  5. Step 5: Solve for x
    x = 24,602,350,989.98/130,629.62
  6. Step 6: Final answer
    x = 188,336.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.