Home / 213,025.45-294,001.16-122,381.25

Finding the Fourth Proportional to 213,025.45, 294,001.16 and 122,381.25

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Solution

The fourth proportional to 213,025.45, 294,001.16 and 122,381.25 is: 168,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,025.45 : 294,001.16 = 122,381.25 : x
  2. Step 2: Convert to fraction form
    213,025.45/294,001.16 = 122,381.25/x
  3. Step 3: Cross multiply
    213,025.45x = 294,001.16 × 122,381.25
  4. Step 4: Simplify right side
    213,025.45x = 35,980,229,462.25
  5. Step 5: Solve for x
    x = 35,980,229,462.25/213,025.45
  6. Step 6: Final answer
    x = 168,901.08

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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.