Home / 130,392.88-179,942.74-73,815.16

Finding the Fourth Proportional to 130,392.88, 179,942.74 and 73,815.16

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Solution

The fourth proportional to 130,392.88, 179,942.74 and 73,815.16 is: 101,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,392.88 : 179,942.74 = 73,815.16 : x
  2. Step 2: Convert to fraction form
    130,392.88/179,942.74 = 73,815.16/x
  3. Step 3: Cross multiply
    130,392.88x = 179,942.74 × 73,815.16
  4. Step 4: Simplify right side
    130,392.88x = 13,282,502,143.94
  5. Step 5: Solve for x
    x = 13,282,502,143.94/130,392.88
  6. Step 6: Final answer
    x = 101,865.24

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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.