Home / 212,060.84-292,712.13-135,785.36

Finding the Fourth Proportional to 212,060.84, 292,712.13 and 135,785.36

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Solution

The fourth proportional to 212,060.84, 292,712.13 and 135,785.36 is: 187,427.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,060.84 : 292,712.13 = 135,785.36 : x
  2. Step 2: Convert to fraction form
    212,060.84/292,712.13 = 135,785.36/x
  3. Step 3: Cross multiply
    212,060.84x = 292,712.13 × 135,785.36
  4. Step 4: Simplify right side
    212,060.84x = 39,746,022,680.20
  5. Step 5: Solve for x
    x = 39,746,022,680.20/212,060.84
  6. Step 6: Final answer
    x = 187,427.46

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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.