Home / 152,963.22-211,122.96-85,003.50

Finding the Fourth Proportional to 152,963.22, 211,122.96 and 85,003.50

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Solution

The fourth proportional to 152,963.22, 211,122.96 and 85,003.50 is: 117,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,963.22 : 211,122.96 = 85,003.50 : x
  2. Step 2: Convert to fraction form
    152,963.22/211,122.96 = 85,003.50/x
  3. Step 3: Cross multiply
    152,963.22x = 211,122.96 × 85,003.50
  4. Step 4: Simplify right side
    152,963.22x = 17,946,190,530.36
  5. Step 5: Solve for x
    x = 17,946,190,530.36/152,963.22
  6. Step 6: Final answer
    x = 117,323.57

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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.