Home / 130,391.82-195,587.76-83,939.94

Finding the Fourth Proportional to 130,391.82, 195,587.76 and 83,939.94

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Solution

The fourth proportional to 130,391.82, 195,587.76 and 83,939.94 is: 125,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,391.82 : 195,587.76 = 83,939.94 : x
  2. Step 2: Convert to fraction form
    130,391.82/195,587.76 = 83,939.94/x
  3. Step 3: Cross multiply
    130,391.82x = 195,587.76 × 83,939.94
  4. Step 4: Simplify right side
    130,391.82x = 16,417,624,839.13
  5. Step 5: Solve for x
    x = 16,417,624,839.13/130,391.82
  6. Step 6: Final answer
    x = 125,909.93

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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.