Home / 165,631.80-248,447.70-144,895.80

Finding the Fourth Proportional to 165,631.80, 248,447.70 and 144,895.80

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Solution

The fourth proportional to 165,631.80, 248,447.70 and 144,895.80 is: 217,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,631.80 : 248,447.70 = 144,895.80 : x
  2. Step 2: Convert to fraction form
    165,631.80/248,447.70 = 144,895.80/x
  3. Step 3: Cross multiply
    165,631.80x = 248,447.70 × 144,895.80
  4. Step 4: Simplify right side
    165,631.80x = 35,999,028,249.66
  5. Step 5: Solve for x
    x = 35,999,028,249.66/165,631.80
  6. Step 6: Final answer
    x = 217,343.70

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1.5x scale

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.