Home / 130,183.77-179,670.24-72,826.28

Finding the Fourth Proportional to 130,183.77, 179,670.24 and 72,826.28

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Solution

The fourth proportional to 130,183.77, 179,670.24 and 72,826.28 is: 100,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,183.77 : 179,670.24 = 72,826.28 : x
  2. Step 2: Convert to fraction form
    130,183.77/179,670.24 = 72,826.28/x
  3. Step 3: Cross multiply
    130,183.77x = 179,670.24 × 72,826.28
  4. Step 4: Simplify right side
    130,183.77x = 13,084,714,307.56
  5. Step 5: Solve for x
    x = 13,084,714,307.56/130,183.77
  6. Step 6: Final answer
    x = 100,509.57

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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.