Home / 130,872.39-196,266.99-42,105.24

Finding the Fourth Proportional to 130,872.39, 196,266.99 and 42,105.24

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Solution

The fourth proportional to 130,872.39, 196,266.99 and 42,105.24 is: 63,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,872.39 : 196,266.99 = 42,105.24 : x
  2. Step 2: Convert to fraction form
    130,872.39/196,266.99 = 42,105.24/x
  3. Step 3: Cross multiply
    130,872.39x = 196,266.99 × 42,105.24
  4. Step 4: Simplify right side
    130,872.39x = 8,263,868,718.03
  5. Step 5: Solve for x
    x = 8,263,868,718.03/130,872.39
  6. Step 6: Final answer
    x = 63,144.48

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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.