Home / 188,436.08-260,038.82-103,551.32

Finding the Fourth Proportional to 188,436.08, 260,038.82 and 103,551.32

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Solution

The fourth proportional to 188,436.08, 260,038.82 and 103,551.32 is: 142,899.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,436.08 : 260,038.82 = 103,551.32 : x
  2. Step 2: Convert to fraction form
    188,436.08/260,038.82 = 103,551.32/x
  3. Step 3: Cross multiply
    188,436.08x = 260,038.82 × 103,551.32
  4. Step 4: Simplify right side
    188,436.08x = 26,927,361,244.29
  5. Step 5: Solve for x
    x = 26,927,361,244.29/188,436.08
  6. Step 6: Final answer
    x = 142,899.18

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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.