Home / 144,884.99-200,038.36-90,519.91

Finding the Fourth Proportional to 144,884.99, 200,038.36 and 90,519.91

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Solution

The fourth proportional to 144,884.99, 200,038.36 and 90,519.91 is: 124,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,884.99 : 200,038.36 = 90,519.91 : x
  2. Step 2: Convert to fraction form
    144,884.99/200,038.36 = 90,519.91/x
  3. Step 3: Cross multiply
    144,884.99x = 200,038.36 × 90,519.91
  4. Step 4: Simplify right side
    144,884.99x = 18,107,453,891.15
  5. Step 5: Solve for x
    x = 18,107,453,891.15/144,884.99
  6. Step 6: Final answer
    x = 124,978.13

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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.