Home / 216,747.48-299,171.67-126,121

Finding the Fourth Proportional to 216,747.48, 299,171.67 and 126,121

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Solution

The fourth proportional to 216,747.48, 299,171.67 and 126,121 is: 174,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,747.48 : 299,171.67 = 126,121 : x
  2. Step 2: Convert to fraction form
    216,747.48/299,171.67 = 126,121/x
  3. Step 3: Cross multiply
    216,747.48x = 299,171.67 × 126,121
  4. Step 4: Simplify right side
    216,747.48x = 37,731,830,192.07
  5. Step 5: Solve for x
    x = 37,731,830,192.07/216,747.48
  6. Step 6: Final answer
    x = 174,081.98

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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.