Home / 234,255.12-323,266.08-130,890.12

Finding the Fourth Proportional to 234,255.12, 323,266.08 and 130,890.12

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Solution

The fourth proportional to 234,255.12, 323,266.08 and 130,890.12 is: 180,625.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,255.12 : 323,266.08 = 130,890.12 : x
  2. Step 2: Convert to fraction form
    234,255.12/323,266.08 = 130,890.12/x
  3. Step 3: Cross multiply
    234,255.12x = 323,266.08 × 130,890.12
  4. Step 4: Simplify right side
    234,255.12x = 42,312,336,003.13
  5. Step 5: Solve for x
    x = 42,312,336,003.13/234,255.12
  6. Step 6: Final answer
    x = 180,625.02

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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.