Home / 213,289.76-294,248.40-122,626.46

Finding the Fourth Proportional to 213,289.76, 294,248.40 and 122,626.46

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Solution

The fourth proportional to 213,289.76, 294,248.40 and 122,626.46 is: 169,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,289.76 : 294,248.40 = 122,626.46 : x
  2. Step 2: Convert to fraction form
    213,289.76/294,248.40 = 122,626.46/x
  3. Step 3: Cross multiply
    213,289.76x = 294,248.40 × 122,626.46
  4. Step 4: Simplify right side
    213,289.76x = 36,082,638,273.29
  5. Step 5: Solve for x
    x = 36,082,638,273.29/213,289.76
  6. Step 6: Final answer
    x = 169,171.92

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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.