Home / 130,818.24-180,524.16-74,226.24

Finding the Fourth Proportional to 130,818.24, 180,524.16 and 74,226.24

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Solution

The fourth proportional to 130,818.24, 180,524.16 and 74,226.24 is: 102,429.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,818.24 : 180,524.16 = 74,226.24 : x
  2. Step 2: Convert to fraction form
    130,818.24/180,524.16 = 74,226.24/x
  3. Step 3: Cross multiply
    130,818.24x = 180,524.16 × 74,226.24
  4. Step 4: Simplify right side
    130,818.24x = 13,399,629,625.96
  5. Step 5: Solve for x
    x = 13,399,629,625.96/130,818.24
  6. Step 6: Final answer
    x = 102,429.37

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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.