Home / 152,868.87-210,972.33-89,227.17

Finding the Fourth Proportional to 152,868.87, 210,972.33 and 89,227.17

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Solution

The fourth proportional to 152,868.87, 210,972.33 and 89,227.17 is: 123,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,868.87 : 210,972.33 = 89,227.17 : x
  2. Step 2: Convert to fraction form
    152,868.87/210,972.33 = 89,227.17/x
  3. Step 3: Cross multiply
    152,868.87x = 210,972.33 × 89,227.17
  4. Step 4: Simplify right side
    152,868.87x = 18,824,463,954.21
  5. Step 5: Solve for x
    x = 18,824,463,954.21/152,868.87
  6. Step 6: Final answer
    x = 123,141.25

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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.