Home / 136,295.31-188,083.34-75,864.40

Finding the Fourth Proportional to 136,295.31, 188,083.34 and 75,864.40

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Solution

The fourth proportional to 136,295.31, 188,083.34 and 75,864.40 is: 104,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,295.31 : 188,083.34 = 75,864.40 : x
  2. Step 2: Convert to fraction form
    136,295.31/188,083.34 = 75,864.40/x
  3. Step 3: Cross multiply
    136,295.31x = 188,083.34 × 75,864.40
  4. Step 4: Simplify right side
    136,295.31x = 14,268,829,739.10
  5. Step 5: Solve for x
    x = 14,268,829,739.10/136,295.31
  6. Step 6: Final answer
    x = 104,690.54

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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.