Home / 149,156.02-205,911.48-115,087.96

Finding the Fourth Proportional to 149,156.02, 205,911.48 and 115,087.96

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Solution

The fourth proportional to 149,156.02, 205,911.48 and 115,087.96 is: 158,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,156.02 : 205,911.48 = 115,087.96 : x
  2. Step 2: Convert to fraction form
    149,156.02/205,911.48 = 115,087.96/x
  3. Step 3: Cross multiply
    149,156.02x = 205,911.48 × 115,087.96
  4. Step 4: Simplify right side
    149,156.02x = 23,697,932,173.78
  5. Step 5: Solve for x
    x = 23,697,932,173.78/149,156.02
  6. Step 6: Final answer
    x = 158,880.16

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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.