Home / 208,334.25-287,518.95-117,706.86

Finding the Fourth Proportional to 208,334.25, 287,518.95 and 117,706.86

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Solution

The fourth proportional to 208,334.25, 287,518.95 and 117,706.86 is: 162,445.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,334.25 : 287,518.95 = 117,706.86 : x
  2. Step 2: Convert to fraction form
    208,334.25/287,518.95 = 117,706.86/x
  3. Step 3: Cross multiply
    208,334.25x = 287,518.95 × 117,706.86
  4. Step 4: Simplify right side
    208,334.25x = 33,842,952,795.00
  5. Step 5: Solve for x
    x = 33,842,952,795.00/208,334.25
  6. Step 6: Final answer
    x = 162,445.46

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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.