Home / 147,784.44-203,941.26-80,715

Finding the Fourth Proportional to 147,784.44, 203,941.26 and 80,715

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Solution

The fourth proportional to 147,784.44, 203,941.26 and 80,715 is: 111,386.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,784.44 : 203,941.26 = 80,715 : x
  2. Step 2: Convert to fraction form
    147,784.44/203,941.26 = 80,715/x
  3. Step 3: Cross multiply
    147,784.44x = 203,941.26 × 80,715
  4. Step 4: Simplify right side
    147,784.44x = 16,461,118,800.90
  5. Step 5: Solve for x
    x = 16,461,118,800.90/147,784.44
  6. Step 6: Final answer
    x = 111,386.01

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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.