Home / 147,718.89-203,849.46-84,055.32

Finding the Fourth Proportional to 147,718.89, 203,849.46 and 84,055.32

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Solution

The fourth proportional to 147,718.89, 203,849.46 and 84,055.32 is: 115,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,718.89 : 203,849.46 = 84,055.32 : x
  2. Step 2: Convert to fraction form
    147,718.89/203,849.46 = 84,055.32/x
  3. Step 3: Cross multiply
    147,718.89x = 203,849.46 × 84,055.32
  4. Step 4: Simplify right side
    147,718.89x = 17,134,631,592.13
  5. Step 5: Solve for x
    x = 17,134,631,592.13/147,718.89
  6. Step 6: Final answer
    x = 115,994.86

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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.