Home / 99,279.07-148,834.87-43,076.81

Finding the Fourth Proportional to 99,279.07, 148,834.87 and 43,076.81

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Solution

The fourth proportional to 99,279.07, 148,834.87 and 43,076.81 is: 64,578.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,279.07 : 148,834.87 = 43,076.81 : x
  2. Step 2: Convert to fraction form
    99,279.07/148,834.87 = 43,076.81/x
  3. Step 3: Cross multiply
    99,279.07x = 148,834.87 × 43,076.81
  4. Step 4: Simplify right side
    99,279.07x = 6,411,331,680.76
  5. Step 5: Solve for x
    x = 6,411,331,680.76/99,279.07
  6. Step 6: Final answer
    x = 64,578.89

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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.