Home / 276,172.93-381,085.16-153,636.35

Finding the Fourth Proportional to 276,172.93, 381,085.16 and 153,636.35

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Solution

The fourth proportional to 276,172.93, 381,085.16 and 153,636.35 is: 211,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,172.93 : 381,085.16 = 153,636.35 : x
  2. Step 2: Convert to fraction form
    276,172.93/381,085.16 = 153,636.35/x
  3. Step 3: Cross multiply
    276,172.93x = 381,085.16 × 153,636.35
  4. Step 4: Simplify right side
    276,172.93x = 58,548,533,206.10
  5. Step 5: Solve for x
    x = 58,548,533,206.10/276,172.93
  6. Step 6: Final answer
    x = 211,999.54

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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.