Home / 120,272.86-180,212.28-64,053.28

Finding the Fourth Proportional to 120,272.86, 180,212.28 and 64,053.28

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Solution

The fourth proportional to 120,272.86, 180,212.28 and 64,053.28 is: 95,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,272.86 : 180,212.28 = 64,053.28 : x
  2. Step 2: Convert to fraction form
    120,272.86/180,212.28 = 64,053.28/x
  3. Step 3: Cross multiply
    120,272.86x = 180,212.28 × 64,053.28
  4. Step 4: Simplify right side
    120,272.86x = 11,543,187,630.28
  5. Step 5: Solve for x
    x = 11,543,187,630.28/120,272.86
  6. Step 6: Final answer
    x = 95,975.00

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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.