Home / 130,740.10-195,937.82-51,811.26

Finding the Fourth Proportional to 130,740.10, 195,937.82 and 51,811.26

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Solution

The fourth proportional to 130,740.10, 195,937.82 and 51,811.26 is: 77,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,740.10 : 195,937.82 = 51,811.26 : x
  2. Step 2: Convert to fraction form
    130,740.10/195,937.82 = 51,811.26/x
  3. Step 3: Cross multiply
    130,740.10x = 195,937.82 × 51,811.26
  4. Step 4: Simplify right side
    130,740.10x = 10,151,785,335.85
  5. Step 5: Solve for x
    x = 10,151,785,335.85/130,740.10
  6. Step 6: Final answer
    x = 77,648.60

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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.