Home / 144,966.30-200,062.67-81,308.19

Finding the Fourth Proportional to 144,966.30, 200,062.67 and 81,308.19

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Solution

The fourth proportional to 144,966.30, 200,062.67 and 81,308.19 is: 112,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,966.30 : 200,062.67 = 81,308.19 : x
  2. Step 2: Convert to fraction form
    144,966.30/200,062.67 = 81,308.19/x
  3. Step 3: Cross multiply
    144,966.30x = 200,062.67 × 81,308.19
  4. Step 4: Simplify right side
    144,966.30x = 16,266,733,584.27
  5. Step 5: Solve for x
    x = 16,266,733,584.27/144,966.30
  6. Step 6: Final answer
    x = 112,210.45

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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.