Home / 143,292.08-214,532.58-109,519.40

Finding the Fourth Proportional to 143,292.08, 214,532.58 and 109,519.40

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Solution

The fourth proportional to 143,292.08, 214,532.58 and 109,519.40 is: 163,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,292.08 : 214,532.58 = 109,519.40 : x
  2. Step 2: Convert to fraction form
    143,292.08/214,532.58 = 109,519.40/x
  3. Step 3: Cross multiply
    143,292.08x = 214,532.58 × 109,519.40
  4. Step 4: Simplify right side
    143,292.08x = 23,495,479,442.05
  5. Step 5: Solve for x
    x = 23,495,479,442.05/143,292.08
  6. Step 6: Final answer
    x = 163,969.14

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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.