Home / 141,223.05-211,834.71-99,290.70

Finding the Fourth Proportional to 141,223.05, 211,834.71 and 99,290.70

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Solution

The fourth proportional to 141,223.05, 211,834.71 and 99,290.70 is: 148,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,223.05 : 211,834.71 = 99,290.70 : x
  2. Step 2: Convert to fraction form
    141,223.05/211,834.71 = 99,290.70/x
  3. Step 3: Cross multiply
    141,223.05x = 211,834.71 × 99,290.70
  4. Step 4: Simplify right side
    141,223.05x = 21,033,216,640.20
  5. Step 5: Solve for x
    x = 21,033,216,640.20/141,223.05
  6. Step 6: Final answer
    x = 148,936.14

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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.