Home / 225,333.36-310,981.68-124,731.36

Finding the Fourth Proportional to 225,333.36, 310,981.68 and 124,731.36

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Solution

The fourth proportional to 225,333.36, 310,981.68 and 124,731.36 is: 172,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,333.36 : 310,981.68 = 124,731.36 : x
  2. Step 2: Convert to fraction form
    225,333.36/310,981.68 = 124,731.36/x
  3. Step 3: Cross multiply
    225,333.36x = 310,981.68 × 124,731.36
  4. Step 4: Simplify right side
    225,333.36x = 38,789,167,881.48
  5. Step 5: Solve for x
    x = 38,789,167,881.48/225,333.36
  6. Step 6: Final answer
    x = 172,141.26

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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.