Home / 215,574.08-297,501.42-120,080.74

Finding the Fourth Proportional to 215,574.08, 297,501.42 and 120,080.74

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Solution

The fourth proportional to 215,574.08, 297,501.42 and 120,080.74 is: 165,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,574.08 : 297,501.42 = 120,080.74 : x
  2. Step 2: Convert to fraction form
    215,574.08/297,501.42 = 120,080.74/x
  3. Step 3: Cross multiply
    215,574.08x = 297,501.42 × 120,080.74
  4. Step 4: Simplify right side
    215,574.08x = 35,724,190,664.65
  5. Step 5: Solve for x
    x = 35,724,190,664.65/215,574.08
  6. Step 6: Final answer
    x = 165,716.54

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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.