Home / 78,360.06-117,548.28-25,773.64

Finding the Fourth Proportional to 78,360.06, 117,548.28 and 25,773.64

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Solution

The fourth proportional to 78,360.06, 117,548.28 and 25,773.64 is: 38,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,360.06 : 117,548.28 = 25,773.64 : x
  2. Step 2: Convert to fraction form
    78,360.06/117,548.28 = 25,773.64/x
  3. Step 3: Cross multiply
    78,360.06x = 117,548.28 × 25,773.64
  4. Step 4: Simplify right side
    78,360.06x = 3,029,647,051.34
  5. Step 5: Solve for x
    x = 3,029,647,051.34/78,360.06
  6. Step 6: Final answer
    x = 38,663.15

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1.5x scale

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.