Home / 232,918.57-321,420.13-130,948.31

Finding the Fourth Proportional to 232,918.57, 321,420.13 and 130,948.31

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Solution

The fourth proportional to 232,918.57, 321,420.13 and 130,948.31 is: 180,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,918.57 : 321,420.13 = 130,948.31 : x
  2. Step 2: Convert to fraction form
    232,918.57/321,420.13 = 130,948.31/x
  3. Step 3: Cross multiply
    232,918.57x = 321,420.13 × 130,948.31
  4. Step 4: Simplify right side
    232,918.57x = 42,089,423,299.66
  5. Step 5: Solve for x
    x = 42,089,423,299.66/232,918.57
  6. Step 6: Final answer
    x = 180,704.45

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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.