Home / 100,289.09-150,433.88-25,409.25

Finding the Fourth Proportional to 100,289.09, 150,433.88 and 25,409.25

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Solution

The fourth proportional to 100,289.09, 150,433.88 and 25,409.25 is: 38,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,289.09 : 150,433.88 = 25,409.25 : x
  2. Step 2: Convert to fraction form
    100,289.09/150,433.88 = 25,409.25/x
  3. Step 3: Cross multiply
    100,289.09x = 150,433.88 × 25,409.25
  4. Step 4: Simplify right side
    100,289.09x = 3,822,411,938.34
  5. Step 5: Solve for x
    x = 3,822,411,938.34/100,289.09
  6. Step 6: Final answer
    x = 38,113.93

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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.