Home / 212,728.61-293,565.48-117,235.30

Finding the Fourth Proportional to 212,728.61, 293,565.48 and 117,235.30

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Solution

The fourth proportional to 212,728.61, 293,565.48 and 117,235.30 is: 161,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,728.61 : 293,565.48 = 117,235.30 : x
  2. Step 2: Convert to fraction form
    212,728.61/293,565.48 = 117,235.30/x
  3. Step 3: Cross multiply
    212,728.61x = 293,565.48 × 117,235.30
  4. Step 4: Simplify right side
    212,728.61x = 34,416,236,531.27
  5. Step 5: Solve for x
    x = 34,416,236,531.27/212,728.61
  6. Step 6: Final answer
    x = 161,784.71

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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.