Home / 123,582.84-170,537.70-69,864.66

Finding the Fourth Proportional to 123,582.84, 170,537.70 and 69,864.66

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Solution

The fourth proportional to 123,582.84, 170,537.70 and 69,864.66 is: 96,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,582.84 : 170,537.70 = 69,864.66 : x
  2. Step 2: Convert to fraction form
    123,582.84/170,537.70 = 69,864.66/x
  3. Step 3: Cross multiply
    123,582.84x = 170,537.70 × 69,864.66
  4. Step 4: Simplify right side
    123,582.84x = 11,914,558,427.68
  5. Step 5: Solve for x
    x = 11,914,558,427.68/123,582.84
  6. Step 6: Final answer
    x = 96,409.49

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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.