Home / 193,725.32-290,587.98-68,978.84

Finding the Fourth Proportional to 193,725.32, 290,587.98 and 68,978.84

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Solution

The fourth proportional to 193,725.32, 290,587.98 and 68,978.84 is: 103,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,725.32 : 290,587.98 = 68,978.84 : x
  2. Step 2: Convert to fraction form
    193,725.32/290,587.98 = 68,978.84/x
  3. Step 3: Cross multiply
    193,725.32x = 290,587.98 × 68,978.84
  4. Step 4: Simplify right side
    193,725.32x = 20,044,421,778.34
  5. Step 5: Solve for x
    x = 20,044,421,778.34/193,725.32
  6. Step 6: Final answer
    x = 103,468.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.