Home / 130,014.72-179,418.24-72,654.84

Finding the Fourth Proportional to 130,014.72, 179,418.24 and 72,654.84

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Solution

The fourth proportional to 130,014.72, 179,418.24 and 72,654.84 is: 100,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,014.72 : 179,418.24 = 72,654.84 : x
  2. Step 2: Convert to fraction form
    130,014.72/179,418.24 = 72,654.84/x
  3. Step 3: Cross multiply
    130,014.72x = 179,418.24 × 72,654.84
  4. Step 4: Simplify right side
    130,014.72x = 13,035,603,520.28
  5. Step 5: Solve for x
    x = 13,035,603,520.28/130,014.72
  6. Step 6: Final answer
    x = 100,262.52

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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.