Home / 232,869.78-321,395.04-142,278.12

Finding the Fourth Proportional to 232,869.78, 321,395.04 and 142,278.12

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Solution

The fourth proportional to 232,869.78, 321,395.04 and 142,278.12 is: 196,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,869.78 : 321,395.04 = 142,278.12 : x
  2. Step 2: Convert to fraction form
    232,869.78/321,395.04 = 142,278.12/x
  3. Step 3: Cross multiply
    232,869.78x = 321,395.04 × 142,278.12
  4. Step 4: Simplify right side
    232,869.78x = 45,727,482,068.52
  5. Step 5: Solve for x
    x = 45,727,482,068.52/232,869.78
  6. Step 6: Final answer
    x = 196,365.03

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1.5x scale

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.