Home / 211,787.19-292,275.86-126,902.43

Finding the Fourth Proportional to 211,787.19, 292,275.86 and 126,902.43

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Solution

The fourth proportional to 211,787.19, 292,275.86 and 126,902.43 is: 175,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,787.19 : 292,275.86 = 126,902.43 : x
  2. Step 2: Convert to fraction form
    211,787.19/292,275.86 = 126,902.43/x
  3. Step 3: Cross multiply
    211,787.19x = 292,275.86 × 126,902.43
  4. Step 4: Simplify right side
    211,787.19x = 37,090,516,864.34
  5. Step 5: Solve for x
    x = 37,090,516,864.34/211,787.19
  6. Step 6: Final answer
    x = 175,131.07

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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.