Home / 170,787.89-235,669.40-99,153.92

Finding the Fourth Proportional to 170,787.89, 235,669.40 and 99,153.92

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Solution

The fourth proportional to 170,787.89, 235,669.40 and 99,153.92 is: 136,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,787.89 : 235,669.40 = 99,153.92 : x
  2. Step 2: Convert to fraction form
    170,787.89/235,669.40 = 99,153.92/x
  3. Step 3: Cross multiply
    170,787.89x = 235,669.40 × 99,153.92
  4. Step 4: Simplify right side
    170,787.89x = 23,367,545,299.28
  5. Step 5: Solve for x
    x = 23,367,545,299.28/170,787.89
  6. Step 6: Final answer
    x = 136,822.03

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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.