Home / 149,532.89-206,304.37-84,995.60

Finding the Fourth Proportional to 149,532.89, 206,304.37 and 84,995.60

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Solution

The fourth proportional to 149,532.89, 206,304.37 and 84,995.60 is: 117,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,532.89 : 206,304.37 = 84,995.60 : x
  2. Step 2: Convert to fraction form
    149,532.89/206,304.37 = 84,995.60/x
  3. Step 3: Cross multiply
    149,532.89x = 206,304.37 × 84,995.60
  4. Step 4: Simplify right side
    149,532.89x = 17,534,962,466.76
  5. Step 5: Solve for x
    x = 17,534,962,466.76/149,532.89
  6. Step 6: Final answer
    x = 117,264.92

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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.