Home / 212,352.32-293,053.07-121,725.44

Finding the Fourth Proportional to 212,352.32, 293,053.07 and 121,725.44

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Solution

The fourth proportional to 212,352.32, 293,053.07 and 121,725.44 is: 167,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,352.32 : 293,053.07 = 121,725.44 : x
  2. Step 2: Convert to fraction form
    212,352.32/293,053.07 = 121,725.44/x
  3. Step 3: Cross multiply
    212,352.32x = 293,053.07 × 121,725.44
  4. Step 4: Simplify right side
    212,352.32x = 35,672,013,827.10
  5. Step 5: Solve for x
    x = 35,672,013,827.10/212,352.32
  6. Step 6: Final answer
    x = 167,985.04

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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.