Home / 154,223.23-212,828.62-89,707.94

Finding the Fourth Proportional to 154,223.23, 212,828.62 and 89,707.94

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Solution

The fourth proportional to 154,223.23, 212,828.62 and 89,707.94 is: 123,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,223.23 : 212,828.62 = 89,707.94 : x
  2. Step 2: Convert to fraction form
    154,223.23/212,828.62 = 89,707.94/x
  3. Step 3: Cross multiply
    154,223.23x = 212,828.62 × 89,707.94
  4. Step 4: Simplify right side
    154,223.23x = 19,092,417,073.24
  5. Step 5: Solve for x
    x = 19,092,417,073.24/154,223.23
  6. Step 6: Final answer
    x = 123,797.29

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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.