Home / 130,193.22-179,658.14-72,822.60

Finding the Fourth Proportional to 130,193.22, 179,658.14 and 72,822.60

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Solution

The fourth proportional to 130,193.22, 179,658.14 and 72,822.60 is: 100,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,193.22 : 179,658.14 = 72,822.60 : x
  2. Step 2: Convert to fraction form
    130,193.22/179,658.14 = 72,822.60/x
  3. Step 3: Cross multiply
    130,193.22x = 179,658.14 × 72,822.60
  4. Step 4: Simplify right side
    130,193.22x = 13,083,172,865.96
  5. Step 5: Solve for x
    x = 13,083,172,865.96/130,193.22
  6. Step 6: Final answer
    x = 100,490.43

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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.