Home / 213,355.54-294,439.59-122,711.53

Finding the Fourth Proportional to 213,355.54, 294,439.59 and 122,711.53

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Solution

The fourth proportional to 213,355.54, 294,439.59 and 122,711.53 is: 169,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,355.54 : 294,439.59 = 122,711.53 : x
  2. Step 2: Convert to fraction form
    213,355.54/294,439.59 = 122,711.53/x
  3. Step 3: Cross multiply
    213,355.54x = 294,439.59 × 122,711.53
  4. Step 4: Simplify right side
    213,355.54x = 36,131,132,581.47
  5. Step 5: Solve for x
    x = 36,131,132,581.47/213,355.54
  6. Step 6: Final answer
    x = 169,347.06

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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.