Home / 212,268.99-292,857.61-131,667.51

Finding the Fourth Proportional to 212,268.99, 292,857.61 and 131,667.51

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Solution

The fourth proportional to 212,268.99, 292,857.61 and 131,667.51 is: 181,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,268.99 : 292,857.61 = 131,667.51 : x
  2. Step 2: Convert to fraction form
    212,268.99/292,857.61 = 131,667.51/x
  3. Step 3: Cross multiply
    212,268.99x = 292,857.61 × 131,667.51
  4. Step 4: Simplify right side
    212,268.99x = 38,559,832,293.25
  5. Step 5: Solve for x
    x = 38,559,832,293.25/212,268.99
  6. Step 6: Final answer
    x = 181,655.51

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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.