Home / 213,455.59-294,560.75-122,825.57

Finding the Fourth Proportional to 213,455.59, 294,560.75 and 122,825.57

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Solution

The fourth proportional to 213,455.59, 294,560.75 and 122,825.57 is: 169,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,455.59 : 294,560.75 = 122,825.57 : x
  2. Step 2: Convert to fraction form
    213,455.59/294,560.75 = 122,825.57/x
  3. Step 3: Cross multiply
    213,455.59x = 294,560.75 × 122,825.57
  4. Step 4: Simplify right side
    213,455.59x = 36,179,590,852.64
  5. Step 5: Solve for x
    x = 36,179,590,852.64/213,455.59
  6. Step 6: Final answer
    x = 169,494.70

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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.