Home / 120,262.86-180,197.28-64,043.28

Finding the Fourth Proportional to 120,262.86, 180,197.28 and 64,043.28

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Solution

The fourth proportional to 120,262.86, 180,197.28 and 64,043.28 is: 95,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,262.86 : 180,197.28 = 64,043.28 : x
  2. Step 2: Convert to fraction form
    120,262.86/180,197.28 = 64,043.28/x
  3. Step 3: Cross multiply
    120,262.86x = 180,197.28 × 64,043.28
  4. Step 4: Simplify right side
    120,262.86x = 11,540,424,858.28
  5. Step 5: Solve for x
    x = 11,540,424,858.28/120,262.86
  6. Step 6: Final answer
    x = 95,960.01

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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.