Home / 119,887.08-165,432.39-66,168.63

Finding the Fourth Proportional to 119,887.08, 165,432.39 and 66,168.63

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Solution

The fourth proportional to 119,887.08, 165,432.39 and 66,168.63 is: 91,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,887.08 : 165,432.39 = 66,168.63 : x
  2. Step 2: Convert to fraction form
    119,887.08/165,432.39 = 66,168.63/x
  3. Step 3: Cross multiply
    119,887.08x = 165,432.39 × 66,168.63
  4. Step 4: Simplify right side
    119,887.08x = 10,946,434,603.93
  5. Step 5: Solve for x
    x = 10,946,434,603.93/119,887.08
  6. Step 6: Final answer
    x = 91,306.21

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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.