Home / 152,941.21-210,999.99-112,750.54

Finding the Fourth Proportional to 152,941.21, 210,999.99 and 112,750.54

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Solution

The fourth proportional to 152,941.21, 210,999.99 and 112,750.54 is: 155,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,941.21 : 210,999.99 = 112,750.54 : x
  2. Step 2: Convert to fraction form
    152,941.21/210,999.99 = 112,750.54/x
  3. Step 3: Cross multiply
    152,941.21x = 210,999.99 × 112,750.54
  4. Step 4: Simplify right side
    152,941.21x = 23,790,362,812.49
  5. Step 5: Solve for x
    x = 23,790,362,812.49/152,941.21
  6. Step 6: Final answer
    x = 155,552.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.