Home / 212,324.07-293,019.63-121,708.11

Finding the Fourth Proportional to 212,324.07, 293,019.63 and 121,708.11

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Solution

The fourth proportional to 212,324.07, 293,019.63 and 121,708.11 is: 167,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,324.07 : 293,019.63 = 121,708.11 : x
  2. Step 2: Convert to fraction form
    212,324.07/293,019.63 = 121,708.11/x
  3. Step 3: Cross multiply
    212,324.07x = 293,019.63 × 121,708.11
  4. Step 4: Simplify right side
    212,324.07x = 35,662,865,360.20
  5. Step 5: Solve for x
    x = 35,662,865,360.20/212,324.07
  6. Step 6: Final answer
    x = 167,964.31

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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.