Home / 215,527.64-297,428.15-120,034.33

Finding the Fourth Proportional to 215,527.64, 297,428.15 and 120,034.33

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Solution

The fourth proportional to 215,527.64, 297,428.15 and 120,034.33 is: 165,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,527.64 : 297,428.15 = 120,034.33 : x
  2. Step 2: Convert to fraction form
    215,527.64/297,428.15 = 120,034.33/x
  3. Step 3: Cross multiply
    215,527.64x = 297,428.15 × 120,034.33
  4. Step 4: Simplify right side
    215,527.64x = 35,701,586,621.08
  5. Step 5: Solve for x
    x = 35,701,586,621.08/215,527.64
  6. Step 6: Final answer
    x = 165,647.37

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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.