Home / 143,302.23-197,761.10-82,867.05

Finding the Fourth Proportional to 143,302.23, 197,761.10 and 82,867.05

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Solution

The fourth proportional to 143,302.23, 197,761.10 and 82,867.05 is: 114,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,302.23 : 197,761.10 = 82,867.05 : x
  2. Step 2: Convert to fraction form
    143,302.23/197,761.10 = 82,867.05/x
  3. Step 3: Cross multiply
    143,302.23x = 197,761.10 × 82,867.05
  4. Step 4: Simplify right side
    143,302.23x = 16,387,878,547.42
  5. Step 5: Solve for x
    x = 16,387,878,547.42/143,302.23
  6. Step 6: Final answer
    x = 114,358.85

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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.