Home / 208,104.23-287,184.60-112,610.93

Finding the Fourth Proportional to 208,104.23, 287,184.60 and 112,610.93

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Solution

The fourth proportional to 208,104.23, 287,184.60 and 112,610.93 is: 155,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,104.23 : 287,184.60 = 112,610.93 : x
  2. Step 2: Convert to fraction form
    208,104.23/287,184.60 = 112,610.93/x
  3. Step 3: Cross multiply
    208,104.23x = 287,184.60 × 112,610.93
  4. Step 4: Simplify right side
    208,104.23x = 32,340,122,888.70
  5. Step 5: Solve for x
    x = 32,340,122,888.70/208,104.23
  6. Step 6: Final answer
    x = 155,403.49

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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.