Home / 100,386.18-150,378.49-60,383.07

Finding the Fourth Proportional to 100,386.18, 150,378.49 and 60,383.07

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Solution

The fourth proportional to 100,386.18, 150,378.49 and 60,383.07 is: 90,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,386.18 : 150,378.49 = 60,383.07 : x
  2. Step 2: Convert to fraction form
    100,386.18/150,378.49 = 60,383.07/x
  3. Step 3: Cross multiply
    100,386.18x = 150,378.49 × 60,383.07
  4. Step 4: Simplify right side
    100,386.18x = 9,080,314,888.16
  5. Step 5: Solve for x
    x = 9,080,314,888.16/100,386.18
  6. Step 6: Final answer
    x = 90,453.83

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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.