Home / 253,050.72-349,174.32-144,157.92

Finding the Fourth Proportional to 253,050.72, 349,174.32 and 144,157.92

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Solution

The fourth proportional to 253,050.72, 349,174.32 and 144,157.92 is: 198,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,050.72 : 349,174.32 = 144,157.92 : x
  2. Step 2: Convert to fraction form
    253,050.72/349,174.32 = 144,157.92/x
  3. Step 3: Cross multiply
    253,050.72x = 349,174.32 × 144,157.92
  4. Step 4: Simplify right side
    253,050.72x = 50,336,243,688.61
  5. Step 5: Solve for x
    x = 50,336,243,688.61/253,050.72
  6. Step 6: Final answer
    x = 198,917.61

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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.