Home / 208,584.54-287,849.03-122,547.15

Finding the Fourth Proportional to 208,584.54, 287,849.03 and 122,547.15

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Solution

The fourth proportional to 208,584.54, 287,849.03 and 122,547.15 is: 169,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,584.54 : 287,849.03 = 122,547.15 : x
  2. Step 2: Convert to fraction form
    208,584.54/287,849.03 = 122,547.15/x
  3. Step 3: Cross multiply
    208,584.54x = 287,849.03 × 122,547.15
  4. Step 4: Simplify right side
    208,584.54x = 35,275,077,644.03
  5. Step 5: Solve for x
    x = 35,275,077,644.03/208,584.54
  6. Step 6: Final answer
    x = 169,116.45

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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.