Home / 143,806.59-215,708.94-43,966.40

Finding the Fourth Proportional to 143,806.59, 215,708.94 and 43,966.40

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Solution

The fourth proportional to 143,806.59, 215,708.94 and 43,966.40 is: 65,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,806.59 : 215,708.94 = 43,966.40 : x
  2. Step 2: Convert to fraction form
    143,806.59/215,708.94 = 43,966.40/x
  3. Step 3: Cross multiply
    143,806.59x = 215,708.94 × 43,966.40
  4. Step 4: Simplify right side
    143,806.59x = 9,483,944,461.07
  5. Step 5: Solve for x
    x = 9,483,944,461.07/143,806.59
  6. Step 6: Final answer
    x = 65,949.30

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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.