Home / 141,008.52-211,230.78-84,817.56

Finding the Fourth Proportional to 141,008.52, 211,230.78 and 84,817.56

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Solution

The fourth proportional to 141,008.52, 211,230.78 and 84,817.56 is: 127,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,008.52 : 211,230.78 = 84,817.56 : x
  2. Step 2: Convert to fraction form
    141,008.52/211,230.78 = 84,817.56/x
  3. Step 3: Cross multiply
    141,008.52x = 211,230.78 × 84,817.56
  4. Step 4: Simplify right side
    141,008.52x = 17,916,079,356.50
  5. Step 5: Solve for x
    x = 17,916,079,356.50/141,008.52
  6. Step 6: Final answer
    x = 127,056.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.