Home / 130,739.60-195,937.07-51,810.77

Finding the Fourth Proportional to 130,739.60, 195,937.07 and 51,810.77

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Solution

The fourth proportional to 130,739.60, 195,937.07 and 51,810.77 is: 77,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,739.60 : 195,937.07 = 51,810.77 : x
  2. Step 2: Convert to fraction form
    130,739.60/195,937.07 = 51,810.77/x
  3. Step 3: Cross multiply
    130,739.60x = 195,937.07 × 51,810.77
  4. Step 4: Simplify right side
    130,739.60x = 10,151,649,229.50
  5. Step 5: Solve for x
    x = 10,151,649,229.50/130,739.60
  6. Step 6: Final answer
    x = 77,647.86

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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.