Home / 142,663.48-214,032.12-53,917.75

Finding the Fourth Proportional to 142,663.48, 214,032.12 and 53,917.75

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Solution

The fourth proportional to 142,663.48, 214,032.12 and 53,917.75 is: 80,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,663.48 : 214,032.12 = 53,917.75 : x
  2. Step 2: Convert to fraction form
    142,663.48/214,032.12 = 53,917.75/x
  3. Step 3: Cross multiply
    142,663.48x = 214,032.12 × 53,917.75
  4. Step 4: Simplify right side
    142,663.48x = 11,540,130,706.77
  5. Step 5: Solve for x
    x = 11,540,130,706.77/142,663.48
  6. Step 6: Final answer
    x = 80,890.57

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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.