Home / 141,299.64-211,095.32-90,969.48

Finding the Fourth Proportional to 141,299.64, 211,095.32 and 90,969.48

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Solution

The fourth proportional to 141,299.64, 211,095.32 and 90,969.48 is: 135,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,299.64 : 211,095.32 = 90,969.48 : x
  2. Step 2: Convert to fraction form
    141,299.64/211,095.32 = 90,969.48/x
  3. Step 3: Cross multiply
    141,299.64x = 211,095.32 × 90,969.48
  4. Step 4: Simplify right side
    141,299.64x = 19,203,231,035.99
  5. Step 5: Solve for x
    x = 19,203,231,035.99/141,299.64
  6. Step 6: Final answer
    x = 135,904.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.