Home / 211,643.36-292,080.97-139,898.96

Finding the Fourth Proportional to 211,643.36, 292,080.97 and 139,898.96

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Solution

The fourth proportional to 211,643.36, 292,080.97 and 139,898.96 is: 193,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,643.36 : 292,080.97 = 139,898.96 : x
  2. Step 2: Convert to fraction form
    211,643.36/292,080.97 = 139,898.96/x
  3. Step 3: Cross multiply
    211,643.36x = 292,080.97 × 139,898.96
  4. Step 4: Simplify right side
    211,643.36x = 40,861,823,938.79
  5. Step 5: Solve for x
    x = 40,861,823,938.79/211,643.36
  6. Step 6: Final answer
    x = 193,069.25

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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.