Home / 211,146.86-291,387.39-120,501.02

Finding the Fourth Proportional to 211,146.86, 291,387.39 and 120,501.02

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Solution

The fourth proportional to 211,146.86, 291,387.39 and 120,501.02 is: 166,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,146.86 : 291,387.39 = 120,501.02 : x
  2. Step 2: Convert to fraction form
    211,146.86/291,387.39 = 120,501.02/x
  3. Step 3: Cross multiply
    211,146.86x = 291,387.39 × 120,501.02
  4. Step 4: Simplify right side
    211,146.86x = 35,112,476,253.20
  5. Step 5: Solve for x
    x = 35,112,476,253.20/211,146.86
  6. Step 6: Final answer
    x = 166,294.10

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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.