Home / 99,330.75-148,897.71-46,645.92

Finding the Fourth Proportional to 99,330.75, 148,897.71 and 46,645.92

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Solution

The fourth proportional to 99,330.75, 148,897.71 and 46,645.92 is: 69,922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,330.75 : 148,897.71 = 46,645.92 : x
  2. Step 2: Convert to fraction form
    99,330.75/148,897.71 = 46,645.92/x
  3. Step 3: Cross multiply
    99,330.75x = 148,897.71 × 46,645.92
  4. Step 4: Simplify right side
    99,330.75x = 6,945,470,668.84
  5. Step 5: Solve for x
    x = 6,945,470,668.84/99,330.75
  6. Step 6: Final answer
    x = 69,922.66

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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.