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Finding the Fourth Proportional to 130,613.49, 195,920.45 and 35,844.98

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Solution

The fourth proportional to 130,613.49, 195,920.45 and 35,844.98 is: 53,767.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,613.49 : 195,920.45 = 35,844.98 : x
  2. Step 2: Convert to fraction form
    130,613.49/195,920.45 = 35,844.98/x
  3. Step 3: Cross multiply
    130,613.49x = 195,920.45 × 35,844.98
  4. Step 4: Simplify right side
    130,613.49x = 7,022,763,587.43
  5. Step 5: Solve for x
    x = 7,022,763,587.43/130,613.49
  6. Step 6: Final answer
    x = 53,767.52

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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.