Home / 149,500.33-206,327.95-84,979.26

Finding the Fourth Proportional to 149,500.33, 206,327.95 and 84,979.26

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Solution

The fourth proportional to 149,500.33, 206,327.95 and 84,979.26 is: 117,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,500.33 : 206,327.95 = 84,979.26 : x
  2. Step 2: Convert to fraction form
    149,500.33/206,327.95 = 84,979.26/x
  3. Step 3: Cross multiply
    149,500.33x = 206,327.95 × 84,979.26
  4. Step 4: Simplify right side
    149,500.33x = 17,533,596,295.87
  5. Step 5: Solve for x
    x = 17,533,596,295.87/149,500.33
  6. Step 6: Final answer
    x = 117,281.32

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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.