Home / 176,224.50-243,299.90-121,128.66

Finding the Fourth Proportional to 176,224.50, 243,299.90 and 121,128.66

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Solution

The fourth proportional to 176,224.50, 243,299.90 and 121,128.66 is: 167,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,224.50 : 243,299.90 = 121,128.66 : x
  2. Step 2: Convert to fraction form
    176,224.50/243,299.90 = 121,128.66/x
  3. Step 3: Cross multiply
    176,224.50x = 243,299.90 × 121,128.66
  4. Step 4: Simplify right side
    176,224.50x = 29,470,590,865.13
  5. Step 5: Solve for x
    x = 29,470,590,865.13/176,224.50
  6. Step 6: Final answer
    x = 167,233.22

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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.