Home / 103,667.52-143,059.82-58,345.56

Finding the Fourth Proportional to 103,667.52, 143,059.82 and 58,345.56

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Solution

The fourth proportional to 103,667.52, 143,059.82 and 58,345.56 is: 80,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,667.52 : 143,059.82 = 58,345.56 : x
  2. Step 2: Convert to fraction form
    103,667.52/143,059.82 = 58,345.56/x
  3. Step 3: Cross multiply
    103,667.52x = 143,059.82 × 58,345.56
  4. Step 4: Simplify right side
    103,667.52x = 8,346,905,311.40
  5. Step 5: Solve for x
    x = 8,346,905,311.40/103,667.52
  6. Step 6: Final answer
    x = 80,516.11

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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.