Home / 149,014.40-205,589.54-84,476.72

Finding the Fourth Proportional to 149,014.40, 205,589.54 and 84,476.72

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Solution

The fourth proportional to 149,014.40, 205,589.54 and 84,476.72 is: 116,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,014.40 : 205,589.54 = 84,476.72 : x
  2. Step 2: Convert to fraction form
    149,014.40/205,589.54 = 84,476.72/x
  3. Step 3: Cross multiply
    149,014.40x = 205,589.54 × 84,476.72
  4. Step 4: Simplify right side
    149,014.40x = 17,367,530,005.51
  5. Step 5: Solve for x
    x = 17,367,530,005.51/149,014.40
  6. Step 6: Final answer
    x = 116,549.34

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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.