Home / 130,164.20-179,573.60-84,825.66

Finding the Fourth Proportional to 130,164.20, 179,573.60 and 84,825.66

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Solution

The fourth proportional to 130,164.20, 179,573.60 and 84,825.66 is: 117,024.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,164.20 : 179,573.60 = 84,825.66 : x
  2. Step 2: Convert to fraction form
    130,164.20/179,573.60 = 84,825.66/x
  3. Step 3: Cross multiply
    130,164.20x = 179,573.60 × 84,825.66
  4. Step 4: Simplify right side
    130,164.20x = 15,232,449,705.94
  5. Step 5: Solve for x
    x = 15,232,449,705.94/130,164.20
  6. Step 6: Final answer
    x = 117,024.88

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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.