Home / 143,134.29-197,511.16-82,700.19

Finding the Fourth Proportional to 143,134.29, 197,511.16 and 82,700.19

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Solution

The fourth proportional to 143,134.29, 197,511.16 and 82,700.19 is: 114,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,134.29 : 197,511.16 = 82,700.19 : x
  2. Step 2: Convert to fraction form
    143,134.29/197,511.16 = 82,700.19/x
  3. Step 3: Cross multiply
    143,134.29x = 197,511.16 × 82,700.19
  4. Step 4: Simplify right side
    143,134.29x = 16,334,210,407.43
  5. Step 5: Solve for x
    x = 16,334,210,407.43/143,134.29
  6. Step 6: Final answer
    x = 114,118.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.