Home / 220,277.72-303,995.27-124,803.02

Finding the Fourth Proportional to 220,277.72, 303,995.27 and 124,803.02

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Solution

The fourth proportional to 220,277.72, 303,995.27 and 124,803.02 is: 172,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,277.72 : 303,995.27 = 124,803.02 : x
  2. Step 2: Convert to fraction form
    220,277.72/303,995.27 = 124,803.02/x
  3. Step 3: Cross multiply
    220,277.72x = 303,995.27 × 124,803.02
  4. Step 4: Simplify right side
    220,277.72x = 37,939,528,833.71
  5. Step 5: Solve for x
    x = 37,939,528,833.71/220,277.72
  6. Step 6: Final answer
    x = 172,234.98

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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.