Home / 104,563.19-156,756.59-45,354.26

Finding the Fourth Proportional to 104,563.19, 156,756.59 and 45,354.26

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Solution

The fourth proportional to 104,563.19, 156,756.59 and 45,354.26 is: 67,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,563.19 : 156,756.59 = 45,354.26 : x
  2. Step 2: Convert to fraction form
    104,563.19/156,756.59 = 45,354.26/x
  3. Step 3: Cross multiply
    104,563.19x = 156,756.59 × 45,354.26
  4. Step 4: Simplify right side
    104,563.19x = 7,109,579,139.57
  5. Step 5: Solve for x
    x = 7,109,579,139.57/104,563.19
  6. Step 6: Final answer
    x = 67,993.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.