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Finding the Fourth Proportional to 188,804.31, 260,557.34 and 103,929.27

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Solution

The fourth proportional to 188,804.31, 260,557.34 and 103,929.27 is: 143,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,804.31 : 260,557.34 = 103,929.27 : x
  2. Step 2: Convert to fraction form
    188,804.31/260,557.34 = 103,929.27/x
  3. Step 3: Cross multiply
    188,804.31x = 260,557.34 × 103,929.27
  4. Step 4: Simplify right side
    188,804.31x = 27,079,534,139.34
  5. Step 5: Solve for x
    x = 27,079,534,139.34/188,804.31
  6. Step 6: Final answer
    x = 143,426.46

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1.5x scale

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.