Home / 142,835.40-214,267.68-49,329

Finding the Fourth Proportional to 142,835.40, 214,267.68 and 49,329

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Solution

The fourth proportional to 142,835.40, 214,267.68 and 49,329 is: 73,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,835.40 : 214,267.68 = 49,329 : x
  2. Step 2: Convert to fraction form
    142,835.40/214,267.68 = 49,329/x
  3. Step 3: Cross multiply
    142,835.40x = 214,267.68 × 49,329
  4. Step 4: Simplify right side
    142,835.40x = 10,569,610,386.72
  5. Step 5: Solve for x
    x = 10,569,610,386.72/142,835.40
  6. Step 6: Final answer
    x = 73,998.54

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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.