Home / 154,042.52-212,579.32-84,193.23

Finding the Fourth Proportional to 154,042.52, 212,579.32 and 84,193.23

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Solution

The fourth proportional to 154,042.52, 212,579.32 and 84,193.23 is: 116,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,042.52 : 212,579.32 = 84,193.23 : x
  2. Step 2: Convert to fraction form
    154,042.52/212,579.32 = 84,193.23/x
  3. Step 3: Cross multiply
    154,042.52x = 212,579.32 × 84,193.23
  4. Step 4: Simplify right side
    154,042.52x = 17,897,739,582.00
  5. Step 5: Solve for x
    x = 17,897,739,582.00/154,042.52
  6. Step 6: Final answer
    x = 116,187.01

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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.