Home / 120,816.80-181,125.42-53,300.72

Finding the Fourth Proportional to 120,816.80, 181,125.42 and 53,300.72

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Solution

The fourth proportional to 120,816.80, 181,125.42 and 53,300.72 is: 79,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,816.80 : 181,125.42 = 53,300.72 : x
  2. Step 2: Convert to fraction form
    120,816.80/181,125.42 = 53,300.72/x
  3. Step 3: Cross multiply
    120,816.80x = 181,125.42 × 53,300.72
  4. Step 4: Simplify right side
    120,816.80x = 9,654,115,296.30
  5. Step 5: Solve for x
    x = 9,654,115,296.30/120,816.80
  6. Step 6: Final answer
    x = 79,907.06

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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.