Home / 160,128.96-220,998.24-93,048

Finding the Fourth Proportional to 160,128.96, 220,998.24 and 93,048

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Solution

The fourth proportional to 160,128.96, 220,998.24 and 93,048 is: 128,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,128.96 : 220,998.24 = 93,048 : x
  2. Step 2: Convert to fraction form
    160,128.96/220,998.24 = 93,048/x
  3. Step 3: Cross multiply
    160,128.96x = 220,998.24 × 93,048
  4. Step 4: Simplify right side
    160,128.96x = 20,563,444,235.52
  5. Step 5: Solve for x
    x = 20,563,444,235.52/160,128.96
  6. Step 6: Final answer
    x = 128,418.02

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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.