Home / 213,025.04-293,942.22-121,135.40

Finding the Fourth Proportional to 213,025.04, 293,942.22 and 121,135.40

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Solution

The fourth proportional to 213,025.04, 293,942.22 and 121,135.40 is: 167,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,025.04 : 293,942.22 = 121,135.40 : x
  2. Step 2: Convert to fraction form
    213,025.04/293,942.22 = 121,135.40/x
  3. Step 3: Cross multiply
    213,025.04x = 293,942.22 × 121,135.40
  4. Step 4: Simplify right side
    213,025.04x = 35,606,808,396.59
  5. Step 5: Solve for x
    x = 35,606,808,396.59/213,025.04
  6. Step 6: Final answer
    x = 167,148.46

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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.