Home / 130,265.54-195,296.23-51,438.77

Finding the Fourth Proportional to 130,265.54, 195,296.23 and 51,438.77

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Solution

The fourth proportional to 130,265.54, 195,296.23 and 51,438.77 is: 77,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,265.54 : 195,296.23 = 51,438.77 : x
  2. Step 2: Convert to fraction form
    130,265.54/195,296.23 = 51,438.77/x
  3. Step 3: Cross multiply
    130,265.54x = 195,296.23 × 51,438.77
  4. Step 4: Simplify right side
    130,265.54x = 10,045,797,856.84
  5. Step 5: Solve for x
    x = 10,045,797,856.84/130,265.54
  6. Step 6: Final answer
    x = 77,117.85

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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.