Home / 130,118.84-179,494.72-79,147.16

Finding the Fourth Proportional to 130,118.84, 179,494.72 and 79,147.16

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Solution

The fourth proportional to 130,118.84, 179,494.72 and 79,147.16 is: 109,180.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,118.84 : 179,494.72 = 79,147.16 : x
  2. Step 2: Convert to fraction form
    130,118.84/179,494.72 = 79,147.16/x
  3. Step 3: Cross multiply
    130,118.84x = 179,494.72 × 79,147.16
  4. Step 4: Simplify right side
    130,118.84x = 14,206,497,323.00
  5. Step 5: Solve for x
    x = 14,206,497,323.00/130,118.84
  6. Step 6: Final answer
    x = 109,180.94

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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.