Home / 213,125.58-294,102.90-122,417.33

Finding the Fourth Proportional to 213,125.58, 294,102.90 and 122,417.33

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Solution

The fourth proportional to 213,125.58, 294,102.90 and 122,417.33 is: 168,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,125.58 : 294,102.90 = 122,417.33 : x
  2. Step 2: Convert to fraction form
    213,125.58/294,102.90 = 122,417.33/x
  3. Step 3: Cross multiply
    213,125.58x = 294,102.90 × 122,417.33
  4. Step 4: Simplify right side
    213,125.58x = 36,003,290,292.74
  5. Step 5: Solve for x
    x = 36,003,290,292.74/213,125.58
  6. Step 6: Final answer
    x = 168,929.93

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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.