Home / 152,887.80-229,331.70-136,558.20

Finding the Fourth Proportional to 152,887.80, 229,331.70 and 136,558.20

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Solution

The fourth proportional to 152,887.80, 229,331.70 and 136,558.20 is: 204,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,887.80 : 229,331.70 = 136,558.20 : x
  2. Step 2: Convert to fraction form
    152,887.80/229,331.70 = 136,558.20/x
  3. Step 3: Cross multiply
    152,887.80x = 229,331.70 × 136,558.20
  4. Step 4: Simplify right side
    152,887.80x = 31,317,124,154.94
  5. Step 5: Solve for x
    x = 31,317,124,154.94/152,887.80
  6. Step 6: Final answer
    x = 204,837.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.