Home / 258,012.01-356,057.45-143,290.95

Finding the Fourth Proportional to 258,012.01, 356,057.45 and 143,290.95

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Solution

The fourth proportional to 258,012.01, 356,057.45 and 143,290.95 is: 197,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,012.01 : 356,057.45 = 143,290.95 : x
  2. Step 2: Convert to fraction form
    258,012.01/356,057.45 = 143,290.95/x
  3. Step 3: Cross multiply
    258,012.01x = 356,057.45 × 143,290.95
  4. Step 4: Simplify right side
    258,012.01x = 51,019,810,265.08
  5. Step 5: Solve for x
    x = 51,019,810,265.08/258,012.01
  6. Step 6: Final answer
    x = 197,742.00

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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.