Home / 149,511.70-206,318.63-84,979.27

Finding the Fourth Proportional to 149,511.70, 206,318.63 and 84,979.27

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Solution

The fourth proportional to 149,511.70, 206,318.63 and 84,979.27 is: 117,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,511.70 : 206,318.63 = 84,979.27 : x
  2. Step 2: Convert to fraction form
    149,511.70/206,318.63 = 84,979.27/x
  3. Step 3: Cross multiply
    149,511.70x = 206,318.63 × 84,979.27
  4. Step 4: Simplify right side
    149,511.70x = 17,532,805,108.31
  5. Step 5: Solve for x
    x = 17,532,805,108.31/149,511.70
  6. Step 6: Final answer
    x = 117,267.11

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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.