Home / 127,463.60-191,220.93-71,383.47

Finding the Fourth Proportional to 127,463.60, 191,220.93 and 71,383.47

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Solution

The fourth proportional to 127,463.60, 191,220.93 and 71,383.47 is: 107,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,463.60 : 191,220.93 = 71,383.47 : x
  2. Step 2: Convert to fraction form
    127,463.60/191,220.93 = 71,383.47/x
  3. Step 3: Cross multiply
    127,463.60x = 191,220.93 × 71,383.47
  4. Step 4: Simplify right side
    127,463.60x = 13,650,013,520.03
  5. Step 5: Solve for x
    x = 13,650,013,520.03/127,463.60
  6. Step 6: Final answer
    x = 107,089.51

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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.