Home / 213,025.95-294,001.85-122,381.75

Finding the Fourth Proportional to 213,025.95, 294,001.85 and 122,381.75

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Solution

The fourth proportional to 213,025.95, 294,001.85 and 122,381.75 is: 168,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,025.95 : 294,001.85 = 122,381.75 : x
  2. Step 2: Convert to fraction form
    213,025.95/294,001.85 = 122,381.75/x
  3. Step 3: Cross multiply
    213,025.95x = 294,001.85 × 122,381.75
  4. Step 4: Simplify right side
    213,025.95x = 35,980,458,824.32
  5. Step 5: Solve for x
    x = 35,980,458,824.32/213,025.95
  6. Step 6: Final answer
    x = 168,901.76

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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.