Home / 104,899.22-144,759.08-57,152.90

Finding the Fourth Proportional to 104,899.22, 144,759.08 and 57,152.90

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Solution

The fourth proportional to 104,899.22, 144,759.08 and 57,152.90 is: 78,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,899.22 : 144,759.08 = 57,152.90 : x
  2. Step 2: Convert to fraction form
    104,899.22/144,759.08 = 57,152.90/x
  3. Step 3: Cross multiply
    104,899.22x = 144,759.08 × 57,152.90
  4. Step 4: Simplify right side
    104,899.22x = 8,273,401,728.11
  5. Step 5: Solve for x
    x = 8,273,401,728.11/104,899.22
  6. Step 6: Final answer
    x = 78,870.00

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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.