Home / 213,070.53-294,053.93-122,458.11

Finding the Fourth Proportional to 213,070.53, 294,053.93 and 122,458.11

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Solution

The fourth proportional to 213,070.53, 294,053.93 and 122,458.11 is: 169,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,070.53 : 294,053.93 = 122,458.11 : x
  2. Step 2: Convert to fraction form
    213,070.53/294,053.93 = 122,458.11/x
  3. Step 3: Cross multiply
    213,070.53x = 294,053.93 × 122,458.11
  4. Step 4: Simplify right side
    213,070.53x = 36,009,288,505.87
  5. Step 5: Solve for x
    x = 36,009,288,505.87/213,070.53
  6. Step 6: Final answer
    x = 169,001.73

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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.