Home / 208,176.21-287,282.16-117,531.27

Finding the Fourth Proportional to 208,176.21, 287,282.16 and 117,531.27

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Solution

The fourth proportional to 208,176.21, 287,282.16 and 117,531.27 is: 162,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,176.21 : 287,282.16 = 117,531.27 : x
  2. Step 2: Convert to fraction form
    208,176.21/287,282.16 = 117,531.27/x
  3. Step 3: Cross multiply
    208,176.21x = 287,282.16 × 117,531.27
  4. Step 4: Simplify right side
    208,176.21x = 33,764,637,113.14
  5. Step 5: Solve for x
    x = 33,764,637,113.14/208,176.21
  6. Step 6: Final answer
    x = 162,192.58

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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.