Home / 109,118.51-163,571.60-52,177.60

Finding the Fourth Proportional to 109,118.51, 163,571.60 and 52,177.60

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Solution

The fourth proportional to 109,118.51, 163,571.60 and 52,177.60 is: 78,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,118.51 : 163,571.60 = 52,177.60 : x
  2. Step 2: Convert to fraction form
    109,118.51/163,571.60 = 52,177.60/x
  3. Step 3: Cross multiply
    109,118.51x = 163,571.60 × 52,177.60
  4. Step 4: Simplify right side
    109,118.51x = 8,534,773,851.07
  5. Step 5: Solve for x
    x = 8,534,773,851.07/109,118.51
  6. Step 6: Final answer
    x = 78,215.64

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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.