Home / 231,995.34-320,179.23-130,037.40

Finding the Fourth Proportional to 231,995.34, 320,179.23 and 130,037.40

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Solution

The fourth proportional to 231,995.34, 320,179.23 and 130,037.40 is: 179,466.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,995.34 : 320,179.23 = 130,037.40 : x
  2. Step 2: Convert to fraction form
    231,995.34/320,179.23 = 130,037.40/x
  3. Step 3: Cross multiply
    231,995.34x = 320,179.23 × 130,037.40
  4. Step 4: Simplify right side
    231,995.34x = 41,635,274,603.20
  5. Step 5: Solve for x
    x = 41,635,274,603.20/231,995.34
  6. Step 6: Final answer
    x = 179,466.00

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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.