Home / 161,951.48-242,971.36-49,629.21

Finding the Fourth Proportional to 161,951.48, 242,971.36 and 49,629.21

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Solution

The fourth proportional to 161,951.48, 242,971.36 and 49,629.21 is: 74,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,951.48 : 242,971.36 = 49,629.21 : x
  2. Step 2: Convert to fraction form
    161,951.48/242,971.36 = 49,629.21/x
  3. Step 3: Cross multiply
    161,951.48x = 242,971.36 × 49,629.21
  4. Step 4: Simplify right side
    161,951.48x = 12,058,477,653.62
  5. Step 5: Solve for x
    x = 12,058,477,653.62/161,951.48
  6. Step 6: Final answer
    x = 74,457.35

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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.