Home / 134,916.80-202,245.60-104,914.40

Finding the Fourth Proportional to 134,916.80, 202,245.60 and 104,914.40

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Solution

The fourth proportional to 134,916.80, 202,245.60 and 104,914.40 is: 157,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,916.80 : 202,245.60 = 104,914.40 : x
  2. Step 2: Convert to fraction form
    134,916.80/202,245.60 = 104,914.40/x
  3. Step 3: Cross multiply
    134,916.80x = 202,245.60 × 104,914.40
  4. Step 4: Simplify right side
    134,916.80x = 21,218,475,776.64
  5. Step 5: Solve for x
    x = 21,218,475,776.64/134,916.80
  6. Step 6: Final answer
    x = 157,270.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.