Home / 211,973.52-292,439.64-136,566

Finding the Fourth Proportional to 211,973.52, 292,439.64 and 136,566

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Solution

The fourth proportional to 211,973.52, 292,439.64 and 136,566 is: 188,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,973.52 : 292,439.64 = 136,566 : x
  2. Step 2: Convert to fraction form
    211,973.52/292,439.64 = 136,566/x
  3. Step 3: Cross multiply
    211,973.52x = 292,439.64 × 136,566
  4. Step 4: Simplify right side
    211,973.52x = 39,937,311,876.24
  5. Step 5: Solve for x
    x = 39,937,311,876.24/211,973.52
  6. Step 6: Final answer
    x = 188,407.08

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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.