Home / 161,829.41-223,420.27-143,874.74

Finding the Fourth Proportional to 161,829.41, 223,420.27 and 143,874.74

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Solution

The fourth proportional to 161,829.41, 223,420.27 and 143,874.74 is: 198,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,829.41 : 223,420.27 = 143,874.74 : x
  2. Step 2: Convert to fraction form
    161,829.41/223,420.27 = 143,874.74/x
  3. Step 3: Cross multiply
    161,829.41x = 223,420.27 × 143,874.74
  4. Step 4: Simplify right side
    161,829.41x = 32,144,531,780.19
  5. Step 5: Solve for x
    x = 32,144,531,780.19/161,829.41
  6. Step 6: Final answer
    x = 198,632.20

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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.