Home / 130,596.78-195,780.30-51,766.34

Finding the Fourth Proportional to 130,596.78, 195,780.30 and 51,766.34

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Solution

The fourth proportional to 130,596.78, 195,780.30 and 51,766.34 is: 77,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,596.78 : 195,780.30 = 51,766.34 : x
  2. Step 2: Convert to fraction form
    130,596.78/195,780.30 = 51,766.34/x
  3. Step 3: Cross multiply
    130,596.78x = 195,780.30 × 51,766.34
  4. Step 4: Simplify right side
    130,596.78x = 10,134,829,575.10
  5. Step 5: Solve for x
    x = 10,134,829,575.10/130,596.78
  6. Step 6: Final answer
    x = 77,603.98

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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.