Home / 119,186.73-164,430.63-76,769.91

Finding the Fourth Proportional to 119,186.73, 164,430.63 and 76,769.91

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Solution

The fourth proportional to 119,186.73, 164,430.63 and 76,769.91 is: 105,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,186.73 : 164,430.63 = 76,769.91 : x
  2. Step 2: Convert to fraction form
    119,186.73/164,430.63 = 76,769.91/x
  3. Step 3: Cross multiply
    119,186.73x = 164,430.63 × 76,769.91
  4. Step 4: Simplify right side
    119,186.73x = 12,623,324,666.34
  5. Step 5: Solve for x
    x = 12,623,324,666.34/119,186.73
  6. Step 6: Final answer
    x = 105,912.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.