Home / 119,846.08-165,380.61-66,130.98

Finding the Fourth Proportional to 119,846.08, 165,380.61 and 66,130.98

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Solution

The fourth proportional to 119,846.08, 165,380.61 and 66,130.98 is: 91,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,846.08 : 165,380.61 = 66,130.98 : x
  2. Step 2: Convert to fraction form
    119,846.08/165,380.61 = 66,130.98/x
  3. Step 3: Cross multiply
    119,846.08x = 165,380.61 × 66,130.98
  4. Step 4: Simplify right side
    119,846.08x = 10,936,781,812.30
  5. Step 5: Solve for x
    x = 10,936,781,812.30/119,846.08
  6. Step 6: Final answer
    x = 91,256.90

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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.