Home / 124,262.70-186,209.73-91,269.42

Finding the Fourth Proportional to 124,262.70, 186,209.73 and 91,269.42

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Solution

The fourth proportional to 124,262.70, 186,209.73 and 91,269.42 is: 136,768.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,262.70 : 186,209.73 = 91,269.42 : x
  2. Step 2: Convert to fraction form
    124,262.70/186,209.73 = 91,269.42/x
  3. Step 3: Cross multiply
    124,262.70x = 186,209.73 × 91,269.42
  4. Step 4: Simplify right side
    124,262.70x = 16,995,254,055.46
  5. Step 5: Solve for x
    x = 16,995,254,055.46/124,262.70
  6. Step 6: Final answer
    x = 136,768.75

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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.