Home / 114,868.49-172,280.01-109,172.19

Finding the Fourth Proportional to 114,868.49, 172,280.01 and 109,172.19

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Solution

The fourth proportional to 114,868.49, 172,280.01 and 109,172.19 is: 163,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,868.49 : 172,280.01 = 109,172.19 : x
  2. Step 2: Convert to fraction form
    114,868.49/172,280.01 = 109,172.19/x
  3. Step 3: Cross multiply
    114,868.49x = 172,280.01 × 109,172.19
  4. Step 4: Simplify right side
    114,868.49x = 18,808,185,984.92
  5. Step 5: Solve for x
    x = 18,808,185,984.92/114,868.49
  6. Step 6: Final answer
    x = 163,736.69

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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.