Home / 142,950.90-197,269.32-88,488.69

Finding the Fourth Proportional to 142,950.90, 197,269.32 and 88,488.69

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Solution

The fourth proportional to 142,950.90, 197,269.32 and 88,488.69 is: 122,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,950.90 : 197,269.32 = 88,488.69 : x
  2. Step 2: Convert to fraction form
    142,950.90/197,269.32 = 88,488.69/x
  3. Step 3: Cross multiply
    142,950.90x = 197,269.32 × 88,488.69
  4. Step 4: Simplify right side
    142,950.90x = 17,456,103,703.99
  5. Step 5: Solve for x
    x = 17,456,103,703.99/142,950.90
  6. Step 6: Final answer
    x = 122,112.58

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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.