Home / 230,539.50-318,202.83-129,995.82

Finding the Fourth Proportional to 230,539.50, 318,202.83 and 129,995.82

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Solution

The fourth proportional to 230,539.50, 318,202.83 and 129,995.82 is: 179,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,539.50 : 318,202.83 = 129,995.82 : x
  2. Step 2: Convert to fraction form
    230,539.50/318,202.83 = 129,995.82/x
  3. Step 3: Cross multiply
    230,539.50x = 318,202.83 × 129,995.82
  4. Step 4: Simplify right side
    230,539.50x = 41,365,037,812.17
  5. Step 5: Solve for x
    x = 41,365,037,812.17/230,539.50
  6. Step 6: Final answer
    x = 179,427.12

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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.