Home / 212,501.16-293,252.67-121,860.54

Finding the Fourth Proportional to 212,501.16, 293,252.67 and 121,860.54

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Solution

The fourth proportional to 212,501.16, 293,252.67 and 121,860.54 is: 168,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,501.16 : 293,252.67 = 121,860.54 : x
  2. Step 2: Convert to fraction form
    212,501.16/293,252.67 = 121,860.54/x
  3. Step 3: Cross multiply
    212,501.16x = 293,252.67 × 121,860.54
  4. Step 4: Simplify right side
    212,501.16x = 35,735,928,722.64
  5. Step 5: Solve for x
    x = 35,735,928,722.64/212,501.16
  6. Step 6: Final answer
    x = 168,168.16

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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.