Home / 144,090.27-216,135.06-80,089.08

Finding the Fourth Proportional to 144,090.27, 216,135.06 and 80,089.08

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Solution

The fourth proportional to 144,090.27, 216,135.06 and 80,089.08 is: 120,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,090.27 : 216,135.06 = 80,089.08 : x
  2. Step 2: Convert to fraction form
    144,090.27/216,135.06 = 80,089.08/x
  3. Step 3: Cross multiply
    144,090.27x = 216,135.06 × 80,089.08
  4. Step 4: Simplify right side
    144,090.27x = 17,310,057,833.43
  5. Step 5: Solve for x
    x = 17,310,057,833.43/144,090.27
  6. Step 6: Final answer
    x = 120,133.43

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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.