Home / 120,274.82-180,358.93-64,104.46

Finding the Fourth Proportional to 120,274.82, 180,358.93 and 64,104.46

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Solution

The fourth proportional to 120,274.82, 180,358.93 and 64,104.46 is: 96,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,274.82 : 180,358.93 = 64,104.46 : x
  2. Step 2: Convert to fraction form
    120,274.82/180,358.93 = 64,104.46/x
  3. Step 3: Cross multiply
    120,274.82x = 180,358.93 × 64,104.46
  4. Step 4: Simplify right side
    120,274.82x = 11,561,812,277.29
  5. Step 5: Solve for x
    x = 11,561,812,277.29/120,274.82
  6. Step 6: Final answer
    x = 96,128.28

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1.5x scale

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.