Home / 161,664.48-223,093.92-90,050.40

Finding the Fourth Proportional to 161,664.48, 223,093.92 and 90,050.40

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Solution

The fourth proportional to 161,664.48, 223,093.92 and 90,050.40 is: 124,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,664.48 : 223,093.92 = 90,050.40 : x
  2. Step 2: Convert to fraction form
    161,664.48/223,093.92 = 90,050.40/x
  3. Step 3: Cross multiply
    161,664.48x = 223,093.92 × 90,050.40
  4. Step 4: Simplify right side
    161,664.48x = 20,089,696,733.57
  5. Step 5: Solve for x
    x = 20,089,696,733.57/161,664.48
  6. Step 6: Final answer
    x = 124,267.85

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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.