Home / 190,621.86-263,070.09-110,064.12

Finding the Fourth Proportional to 190,621.86, 263,070.09 and 110,064.12

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Solution

The fourth proportional to 190,621.86, 263,070.09 and 110,064.12 is: 151,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,621.86 : 263,070.09 = 110,064.12 : x
  2. Step 2: Convert to fraction form
    190,621.86/263,070.09 = 110,064.12/x
  3. Step 3: Cross multiply
    190,621.86x = 263,070.09 × 110,064.12
  4. Step 4: Simplify right side
    190,621.86x = 28,954,577,954.17
  5. Step 5: Solve for x
    x = 28,954,577,954.17/190,621.86
  6. Step 6: Final answer
    x = 151,895.37

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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.