Home / 218,146.23-300,940.75-127,506.02

Finding the Fourth Proportional to 218,146.23, 300,940.75 and 127,506.02

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Solution

The fourth proportional to 218,146.23, 300,940.75 and 127,506.02 is: 175,899.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,146.23 : 300,940.75 = 127,506.02 : x
  2. Step 2: Convert to fraction form
    218,146.23/300,940.75 = 127,506.02/x
  3. Step 3: Cross multiply
    218,146.23x = 300,940.75 × 127,506.02
  4. Step 4: Simplify right side
    218,146.23x = 38,371,755,146.08
  5. Step 5: Solve for x
    x = 38,371,755,146.08/218,146.23
  6. Step 6: Final answer
    x = 175,899.24

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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.