Home / 179,637.80-269,553.90-79,813.40

Finding the Fourth Proportional to 179,637.80, 269,553.90 and 79,813.40

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Solution

The fourth proportional to 179,637.80, 269,553.90 and 79,813.40 is: 119,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,637.80 : 269,553.90 = 79,813.40 : x
  2. Step 2: Convert to fraction form
    179,637.80/269,553.90 = 79,813.40/x
  3. Step 3: Cross multiply
    179,637.80x = 269,553.90 × 79,813.40
  4. Step 4: Simplify right side
    179,637.80x = 21,514,013,242.26
  5. Step 5: Solve for x
    x = 21,514,013,242.26/179,637.80
  6. Step 6: Final answer
    x = 119,763.29

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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.