Home / 143,580.80-216,328.32-132,245.12

Finding the Fourth Proportional to 143,580.80, 216,328.32 and 132,245.12

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Solution

The fourth proportional to 143,580.80, 216,328.32 and 132,245.12 is: 199,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,580.80 : 216,328.32 = 132,245.12 : x
  2. Step 2: Convert to fraction form
    143,580.80/216,328.32 = 132,245.12/x
  3. Step 3: Cross multiply
    143,580.80x = 216,328.32 × 132,245.12
  4. Step 4: Simplify right side
    143,580.80x = 28,608,364,637.80
  5. Step 5: Solve for x
    x = 28,608,364,637.80/143,580.80
  6. Step 6: Final answer
    x = 199,249.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.