Home / 130,193.88-179,659.04-72,823.24

Finding the Fourth Proportional to 130,193.88, 179,659.04 and 72,823.24

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Solution

The fourth proportional to 130,193.88, 179,659.04 and 72,823.24 is: 100,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,193.88 : 179,659.04 = 72,823.24 : x
  2. Step 2: Convert to fraction form
    130,193.88/179,659.04 = 72,823.24/x
  3. Step 3: Cross multiply
    130,193.88x = 179,659.04 × 72,823.24
  4. Step 4: Simplify right side
    130,193.88x = 13,083,353,388.09
  5. Step 5: Solve for x
    x = 13,083,353,388.09/130,193.88
  6. Step 6: Final answer
    x = 100,491.31

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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.