Home / 232,889.25-321,384.30-130,931.72

Finding the Fourth Proportional to 232,889.25, 321,384.30 and 130,931.72

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Solution

The fourth proportional to 232,889.25, 321,384.30 and 130,931.72 is: 180,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,889.25 : 321,384.30 = 130,931.72 : x
  2. Step 2: Convert to fraction form
    232,889.25/321,384.30 = 130,931.72/x
  3. Step 3: Cross multiply
    232,889.25x = 321,384.30 × 130,931.72
  4. Step 4: Simplify right side
    232,889.25x = 42,079,397,573.07
  5. Step 5: Solve for x
    x = 42,079,397,573.07/232,889.25
  6. Step 6: Final answer
    x = 180,684.16

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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.