Home / 130,027.24-179,450.32-79,036.12

Finding the Fourth Proportional to 130,027.24, 179,450.32 and 79,036.12

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Solution

The fourth proportional to 130,027.24, 179,450.32 and 79,036.12 is: 109,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,027.24 : 179,450.32 = 79,036.12 : x
  2. Step 2: Convert to fraction form
    130,027.24/179,450.32 = 79,036.12/x
  3. Step 3: Cross multiply
    130,027.24x = 179,450.32 × 79,036.12
  4. Step 4: Simplify right side
    130,027.24x = 14,183,056,128.31
  5. Step 5: Solve for x
    x = 14,183,056,128.31/130,027.24
  6. Step 6: Final answer
    x = 109,077.58

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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.