Home / 172,054.37-237,368.78-126,839.85

Finding the Fourth Proportional to 172,054.37, 237,368.78 and 126,839.85

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Solution

The fourth proportional to 172,054.37, 237,368.78 and 126,839.85 is: 174,990.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,054.37 : 237,368.78 = 126,839.85 : x
  2. Step 2: Convert to fraction form
    172,054.37/237,368.78 = 126,839.85/x
  3. Step 3: Cross multiply
    172,054.37x = 237,368.78 × 126,839.85
  4. Step 4: Simplify right side
    172,054.37x = 30,107,820,068.80
  5. Step 5: Solve for x
    x = 30,107,820,068.80/172,054.37
  6. Step 6: Final answer
    x = 174,990.15

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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.