Home / 143,529.86-215,250.98-115,383.16

Finding the Fourth Proportional to 143,529.86, 215,250.98 and 115,383.16

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Solution

The fourth proportional to 143,529.86, 215,250.98 and 115,383.16 is: 173,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,529.86 : 215,250.98 = 115,383.16 : x
  2. Step 2: Convert to fraction form
    143,529.86/215,250.98 = 115,383.16/x
  3. Step 3: Cross multiply
    143,529.86x = 215,250.98 × 115,383.16
  4. Step 4: Simplify right side
    143,529.86x = 24,836,338,265.50
  5. Step 5: Solve for x
    x = 24,836,338,265.50/143,529.86
  6. Step 6: Final answer
    x = 173,039.52

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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.