Home / 100,809.16-151,204.93-34,242.35

Finding the Fourth Proportional to 100,809.16, 151,204.93 and 34,242.35

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Solution

The fourth proportional to 100,809.16, 151,204.93 and 34,242.35 is: 51,360.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,809.16 : 151,204.93 = 34,242.35 : x
  2. Step 2: Convert to fraction form
    100,809.16/151,204.93 = 34,242.35/x
  3. Step 3: Cross multiply
    100,809.16x = 151,204.93 × 34,242.35
  4. Step 4: Simplify right side
    100,809.16x = 5,177,611,293.15
  5. Step 5: Solve for x
    x = 5,177,611,293.15/100,809.16
  6. Step 6: Final answer
    x = 51,360.53

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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.