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Finding the Fourth Proportional to 130,377.40, 195,566.10 and 100,852.90

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Solution

The fourth proportional to 130,377.40, 195,566.10 and 100,852.90 is: 151,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,377.40 : 195,566.10 = 100,852.90 : x
  2. Step 2: Convert to fraction form
    130,377.40/195,566.10 = 100,852.90/x
  3. Step 3: Cross multiply
    130,377.40x = 195,566.10 × 100,852.90
  4. Step 4: Simplify right side
    130,377.40x = 19,723,408,326.69
  5. Step 5: Solve for x
    x = 19,723,408,326.69/130,377.40
  6. Step 6: Final answer
    x = 151,279.35

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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.