Home / 215,681.94-297,606.15-120,186.18

Finding the Fourth Proportional to 215,681.94, 297,606.15 and 120,186.18

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Solution

The fourth proportional to 215,681.94, 297,606.15 and 120,186.18 is: 165,837.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,681.94 : 297,606.15 = 120,186.18 : x
  2. Step 2: Convert to fraction form
    215,681.94/297,606.15 = 120,186.18/x
  3. Step 3: Cross multiply
    215,681.94x = 297,606.15 × 120,186.18
  4. Step 4: Simplify right side
    215,681.94x = 35,768,146,313.01
  5. Step 5: Solve for x
    x = 35,768,146,313.01/215,681.94
  6. Step 6: Final answer
    x = 165,837.47

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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.