Home / 208,320.95-287,481.48-112,825.46

Finding the Fourth Proportional to 208,320.95, 287,481.48 and 112,825.46

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Solution

The fourth proportional to 208,320.95, 287,481.48 and 112,825.46 is: 155,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,320.95 : 287,481.48 = 112,825.46 : x
  2. Step 2: Convert to fraction form
    208,320.95/287,481.48 = 112,825.46/x
  3. Step 3: Cross multiply
    208,320.95x = 287,481.48 × 112,825.46
  4. Step 4: Simplify right side
    208,320.95x = 32,435,230,222.48
  5. Step 5: Solve for x
    x = 32,435,230,222.48/208,320.95
  6. Step 6: Final answer
    x = 155,698.36

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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.