Home / 188,464.08-260,077.41-103,579.32

Finding the Fourth Proportional to 188,464.08, 260,077.41 and 103,579.32

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Solution

The fourth proportional to 188,464.08, 260,077.41 and 103,579.32 is: 142,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,464.08 : 260,077.41 = 103,579.32 : x
  2. Step 2: Convert to fraction form
    188,464.08/260,077.41 = 103,579.32/x
  3. Step 3: Cross multiply
    188,464.08x = 260,077.41 × 103,579.32
  4. Step 4: Simplify right side
    188,464.08x = 26,938,641,275.16
  5. Step 5: Solve for x
    x = 26,938,641,275.16/188,464.08
  6. Step 6: Final answer
    x = 142,937.80

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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.