Home / 120,004.16-165,604.68-66,292.92

Finding the Fourth Proportional to 120,004.16, 165,604.68 and 66,292.92

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Solution

The fourth proportional to 120,004.16, 165,604.68 and 66,292.92 is: 91,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,004.16 : 165,604.68 = 66,292.92 : x
  2. Step 2: Convert to fraction form
    120,004.16/165,604.68 = 66,292.92/x
  3. Step 3: Cross multiply
    120,004.16x = 165,604.68 × 66,292.92
  4. Step 4: Simplify right side
    120,004.16x = 10,978,417,802.87
  5. Step 5: Solve for x
    x = 10,978,417,802.87/120,004.16
  6. Step 6: Final answer
    x = 91,483.64

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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.