Home / 208,539.50-312,592.57-88,673.40

Finding the Fourth Proportional to 208,539.50, 312,592.57 and 88,673.40

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Solution

The fourth proportional to 208,539.50, 312,592.57 and 88,673.40 is: 132,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,539.50 : 312,592.57 = 88,673.40 : x
  2. Step 2: Convert to fraction form
    208,539.50/312,592.57 = 88,673.40/x
  3. Step 3: Cross multiply
    208,539.50x = 312,592.57 × 88,673.40
  4. Step 4: Simplify right side
    208,539.50x = 27,718,645,774.95
  5. Step 5: Solve for x
    x = 27,718,645,774.95/208,539.50
  6. Step 6: Final answer
    x = 132,917.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.