Home / 232,702.12-321,120.50-142,209.48

Finding the Fourth Proportional to 232,702.12, 321,120.50 and 142,209.48

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Solution

The fourth proportional to 232,702.12, 321,120.50 and 142,209.48 is: 196,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,702.12 : 321,120.50 = 142,209.48 : x
  2. Step 2: Convert to fraction form
    232,702.12/321,120.50 = 142,209.48/x
  3. Step 3: Cross multiply
    232,702.12x = 321,120.50 × 142,209.48
  4. Step 4: Simplify right side
    232,702.12x = 45,666,379,322.34
  5. Step 5: Solve for x
    x = 45,666,379,322.34/232,702.12
  6. Step 6: Final answer
    x = 196,243.93

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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.