Home / 212,325.51-293,017.29-121,698.96

Finding the Fourth Proportional to 212,325.51, 293,017.29 and 121,698.96

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Solution

The fourth proportional to 212,325.51, 293,017.29 and 121,698.96 is: 167,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,325.51 : 293,017.29 = 121,698.96 : x
  2. Step 2: Convert to fraction form
    212,325.51/293,017.29 = 121,698.96/x
  3. Step 3: Cross multiply
    212,325.51x = 293,017.29 × 121,698.96
  4. Step 4: Simplify right side
    212,325.51x = 35,659,899,579.07
  5. Step 5: Solve for x
    x = 35,659,899,579.07/212,325.51
  6. Step 6: Final answer
    x = 167,949.20

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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.