Home / 208,103.98-287,184.26-112,610.68

Finding the Fourth Proportional to 208,103.98, 287,184.26 and 112,610.68

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Solution

The fourth proportional to 208,103.98, 287,184.26 and 112,610.68 is: 155,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,103.98 : 287,184.26 = 112,610.68 : x
  2. Step 2: Convert to fraction form
    208,103.98/287,184.26 = 112,610.68/x
  3. Step 3: Cross multiply
    208,103.98x = 287,184.26 × 112,610.68
  4. Step 4: Simplify right side
    208,103.98x = 32,340,014,803.90
  5. Step 5: Solve for x
    x = 32,340,014,803.90/208,103.98
  6. Step 6: Final answer
    x = 155,403.15

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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.