Home / 203,360.02-280,653.64-112,744.42

Finding the Fourth Proportional to 203,360.02, 280,653.64 and 112,744.42

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Solution

The fourth proportional to 203,360.02, 280,653.64 and 112,744.42 is: 155,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,360.02 : 280,653.64 = 112,744.42 : x
  2. Step 2: Convert to fraction form
    203,360.02/280,653.64 = 112,744.42/x
  3. Step 3: Cross multiply
    203,360.02x = 280,653.64 × 112,744.42
  4. Step 4: Simplify right side
    203,360.02x = 31,642,130,879.19
  5. Step 5: Solve for x
    x = 31,642,130,879.19/203,360.02
  6. Step 6: Final answer
    x = 155,596.62

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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.