Home / 100,406.01-150,313.08-87,950.37

Finding the Fourth Proportional to 100,406.01, 150,313.08 and 87,950.37

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Solution

The fourth proportional to 100,406.01, 150,313.08 and 87,950.37 is: 131,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,406.01 : 150,313.08 = 87,950.37 : x
  2. Step 2: Convert to fraction form
    100,406.01/150,313.08 = 87,950.37/x
  3. Step 3: Cross multiply
    100,406.01x = 150,313.08 × 87,950.37
  4. Step 4: Simplify right side
    100,406.01x = 13,220,091,001.84
  5. Step 5: Solve for x
    x = 13,220,091,001.84/100,406.01
  6. Step 6: Final answer
    x = 131,666.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.