Home / 100,969.29-151,476.21-30,854.07

Finding the Fourth Proportional to 100,969.29, 151,476.21 and 30,854.07

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Solution

The fourth proportional to 100,969.29, 151,476.21 and 30,854.07 is: 46,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,969.29 : 151,476.21 = 30,854.07 : x
  2. Step 2: Convert to fraction form
    100,969.29/151,476.21 = 30,854.07/x
  3. Step 3: Cross multiply
    100,969.29x = 151,476.21 × 30,854.07
  4. Step 4: Simplify right side
    100,969.29x = 4,673,657,586.67
  5. Step 5: Solve for x
    x = 4,673,657,586.67/100,969.29
  6. Step 6: Final answer
    x = 46,287.91

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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.