Home / 208,330.33-287,513.55-117,702.94

Finding the Fourth Proportional to 208,330.33, 287,513.55 and 117,702.94

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Solution

The fourth proportional to 208,330.33, 287,513.55 and 117,702.94 is: 162,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,330.33 : 287,513.55 = 117,702.94 : x
  2. Step 2: Convert to fraction form
    208,330.33/287,513.55 = 117,702.94/x
  3. Step 3: Cross multiply
    208,330.33x = 287,513.55 × 117,702.94
  4. Step 4: Simplify right side
    208,330.33x = 33,841,190,124.84
  5. Step 5: Solve for x
    x = 33,841,190,124.84/208,330.33
  6. Step 6: Final answer
    x = 162,440.05

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1.5x scale

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.