Home / 104,815.36-144,814.80-73,125.72

Finding the Fourth Proportional to 104,815.36, 144,814.80 and 73,125.72

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Solution

The fourth proportional to 104,815.36, 144,814.80 and 73,125.72 is: 101,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,815.36 : 144,814.80 = 73,125.72 : x
  2. Step 2: Convert to fraction form
    104,815.36/144,814.80 = 73,125.72/x
  3. Step 3: Cross multiply
    104,815.36x = 144,814.80 × 73,125.72
  4. Step 4: Simplify right side
    104,815.36x = 10,589,686,516.66
  5. Step 5: Solve for x
    x = 10,589,686,516.66/104,815.36
  6. Step 6: Final answer
    x = 101,031.82

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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.