Home / 124,569.80-171,906.79-67,981.17

Finding the Fourth Proportional to 124,569.80, 171,906.79 and 67,981.17

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Solution

The fourth proportional to 124,569.80, 171,906.79 and 67,981.17 is: 93,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,569.80 : 171,906.79 = 67,981.17 : x
  2. Step 2: Convert to fraction form
    124,569.80/171,906.79 = 67,981.17/x
  3. Step 3: Cross multiply
    124,569.80x = 171,906.79 × 67,981.17
  4. Step 4: Simplify right side
    124,569.80x = 11,686,424,715.14
  5. Step 5: Solve for x
    x = 11,686,424,715.14/124,569.80
  6. Step 6: Final answer
    x = 93,814.27

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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.