Home / 149,432.36-206,216.74-84,901.72

Finding the Fourth Proportional to 149,432.36, 206,216.74 and 84,901.72

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Solution

The fourth proportional to 149,432.36, 206,216.74 and 84,901.72 is: 117,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,432.36 : 206,216.74 = 84,901.72 : x
  2. Step 2: Convert to fraction form
    149,432.36/206,216.74 = 84,901.72/x
  3. Step 3: Cross multiply
    149,432.36x = 206,216.74 × 84,901.72
  4. Step 4: Simplify right side
    149,432.36x = 17,508,155,918.79
  5. Step 5: Solve for x
    x = 17,508,155,918.79/149,432.36
  6. Step 6: Final answer
    x = 117,164.42

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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.