Home / 236,936.04-326,970.88-129,506

Finding the Fourth Proportional to 236,936.04, 326,970.88 and 129,506

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Solution

The fourth proportional to 236,936.04, 326,970.88 and 129,506 is: 178,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,936.04 : 326,970.88 = 129,506 : x
  2. Step 2: Convert to fraction form
    236,936.04/326,970.88 = 129,506/x
  3. Step 3: Cross multiply
    236,936.04x = 326,970.88 × 129,506
  4. Step 4: Simplify right side
    236,936.04x = 42,344,690,785.28
  5. Step 5: Solve for x
    x = 42,344,690,785.28/236,936.04
  6. Step 6: Final answer
    x = 178,717.81

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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.