Home / 213,193.80-294,196.86-122,485.50

Finding the Fourth Proportional to 213,193.80, 294,196.86 and 122,485.50

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Solution

The fourth proportional to 213,193.80, 294,196.86 and 122,485.50 is: 169,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,193.80 : 294,196.86 = 122,485.50 : x
  2. Step 2: Convert to fraction form
    213,193.80/294,196.86 = 122,485.50/x
  3. Step 3: Cross multiply
    213,193.80x = 294,196.86 × 122,485.50
  4. Step 4: Simplify right side
    213,193.80x = 36,034,849,495.53
  5. Step 5: Solve for x
    x = 36,034,849,495.53/213,193.80
  6. Step 6: Final answer
    x = 169,023.91

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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.