Home / 90,460.26-136,384.56-84,362.04

Finding the Fourth Proportional to 90,460.26, 136,384.56 and 84,362.04

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Solution

The fourth proportional to 90,460.26, 136,384.56 and 84,362.04 is: 127,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,460.26 : 136,384.56 = 84,362.04 : x
  2. Step 2: Convert to fraction form
    90,460.26/136,384.56 = 84,362.04/x
  3. Step 3: Cross multiply
    90,460.26x = 136,384.56 × 84,362.04
  4. Step 4: Simplify right side
    90,460.26x = 11,505,679,706.10
  5. Step 5: Solve for x
    x = 11,505,679,706.10/90,460.26
  6. Step 6: Final answer
    x = 127,190.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.