Home / 141,224.05-211,836.21-99,291.70

Finding the Fourth Proportional to 141,224.05, 211,836.21 and 99,291.70

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Solution

The fourth proportional to 141,224.05, 211,836.21 and 99,291.70 is: 148,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,224.05 : 211,836.21 = 99,291.70 : x
  2. Step 2: Convert to fraction form
    141,224.05/211,836.21 = 99,291.70/x
  3. Step 3: Cross multiply
    141,224.05x = 211,836.21 × 99,291.70
  4. Step 4: Simplify right side
    141,224.05x = 21,033,577,412.46
  5. Step 5: Solve for x
    x = 21,033,577,412.46/141,224.05
  6. Step 6: Final answer
    x = 148,937.64

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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.