Home / 258,184.74-356,296.36-145,007.50

Finding the Fourth Proportional to 258,184.74, 356,296.36 and 145,007.50

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Solution

The fourth proportional to 258,184.74, 356,296.36 and 145,007.50 is: 200,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,184.74 : 356,296.36 = 145,007.50 : x
  2. Step 2: Convert to fraction form
    258,184.74/356,296.36 = 145,007.50/x
  3. Step 3: Cross multiply
    258,184.74x = 356,296.36 × 145,007.50
  4. Step 4: Simplify right side
    258,184.74x = 51,665,644,422.70
  5. Step 5: Solve for x
    x = 51,665,644,422.70/258,184.74
  6. Step 6: Final answer
    x = 200,111.15

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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.