Home / 215,566.01-297,490.27-120,072.75

Finding the Fourth Proportional to 215,566.01, 297,490.27 and 120,072.75

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Solution

The fourth proportional to 215,566.01, 297,490.27 and 120,072.75 is: 165,705.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,566.01 : 297,490.27 = 120,072.75 : x
  2. Step 2: Convert to fraction form
    215,566.01/297,490.27 = 120,072.75/x
  3. Step 3: Cross multiply
    215,566.01x = 297,490.27 × 120,072.75
  4. Step 4: Simplify right side
    215,566.01x = 35,720,473,626.51
  5. Step 5: Solve for x
    x = 35,720,473,626.51/215,566.01
  6. Step 6: Final answer
    x = 165,705.50

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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.