Home / 176,330.72-243,341.21-103,738.73

Finding the Fourth Proportional to 176,330.72, 243,341.21 and 103,738.73

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Solution

The fourth proportional to 176,330.72, 243,341.21 and 103,738.73 is: 143,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,330.72 : 243,341.21 = 103,738.73 : x
  2. Step 2: Convert to fraction form
    176,330.72/243,341.21 = 103,738.73/x
  3. Step 3: Cross multiply
    176,330.72x = 243,341.21 × 103,738.73
  4. Step 4: Simplify right side
    176,330.72x = 25,243,907,124.70
  5. Step 5: Solve for x
    x = 25,243,907,124.70/176,330.72
  6. Step 6: Final answer
    x = 143,162.27

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1.5x scale

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.