Home / 122,528.10-183,797.55-69,219.30

Finding the Fourth Proportional to 122,528.10, 183,797.55 and 69,219.30

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Solution

The fourth proportional to 122,528.10, 183,797.55 and 69,219.30 is: 103,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,528.10 : 183,797.55 = 69,219.30 : x
  2. Step 2: Convert to fraction form
    122,528.10/183,797.55 = 69,219.30/x
  3. Step 3: Cross multiply
    122,528.10x = 183,797.55 × 69,219.30
  4. Step 4: Simplify right side
    122,528.10x = 12,722,337,752.72
  5. Step 5: Solve for x
    x = 12,722,337,752.72/122,528.10
  6. Step 6: Final answer
    x = 103,832.00

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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.