Home / 143,790.30-215,904.15-110,547.90

Finding the Fourth Proportional to 143,790.30, 215,904.15 and 110,547.90

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Solution

The fourth proportional to 143,790.30, 215,904.15 and 110,547.90 is: 165,989.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,790.30 : 215,904.15 = 110,547.90 : x
  2. Step 2: Convert to fraction form
    143,790.30/215,904.15 = 110,547.90/x
  3. Step 3: Cross multiply
    143,790.30x = 215,904.15 × 110,547.90
  4. Step 4: Simplify right side
    143,790.30x = 23,867,750,383.79
  5. Step 5: Solve for x
    x = 23,867,750,383.79/143,790.30
  6. Step 6: Final answer
    x = 165,989.99

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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.