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Finding the Fourth Proportional to 136,693.70, 205,040.55 and 101,264.30

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Solution

The fourth proportional to 136,693.70, 205,040.55 and 101,264.30 is: 151,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,693.70 : 205,040.55 = 101,264.30 : x
  2. Step 2: Convert to fraction form
    136,693.70/205,040.55 = 101,264.30/x
  3. Step 3: Cross multiply
    136,693.70x = 205,040.55 × 101,264.30
  4. Step 4: Simplify right side
    136,693.70x = 20,763,287,767.37
  5. Step 5: Solve for x
    x = 20,763,287,767.37/136,693.70
  6. Step 6: Final answer
    x = 151,896.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.