Home / 215,589.51-297,494.22-120,094.15

Finding the Fourth Proportional to 215,589.51, 297,494.22 and 120,094.15

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Solution

The fourth proportional to 215,589.51, 297,494.22 and 120,094.15 is: 165,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,589.51 : 297,494.22 = 120,094.15 : x
  2. Step 2: Convert to fraction form
    215,589.51/297,494.22 = 120,094.15/x
  3. Step 3: Cross multiply
    215,589.51x = 297,494.22 × 120,094.15
  4. Step 4: Simplify right side
    215,589.51x = 35,727,315,480.81
  5. Step 5: Solve for x
    x = 35,727,315,480.81/215,589.51
  6. Step 6: Final answer
    x = 165,719.17

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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.