Home / 147,749.77-203,844.09-84,071.62

Finding the Fourth Proportional to 147,749.77, 203,844.09 and 84,071.62

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Solution

The fourth proportional to 147,749.77, 203,844.09 and 84,071.62 is: 115,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,749.77 : 203,844.09 = 84,071.62 : x
  2. Step 2: Convert to fraction form
    147,749.77/203,844.09 = 84,071.62/x
  3. Step 3: Cross multiply
    147,749.77x = 203,844.09 × 84,071.62
  4. Step 4: Simplify right side
    147,749.77x = 17,137,502,873.73
  5. Step 5: Solve for x
    x = 17,137,502,873.73/147,749.77
  6. Step 6: Final answer
    x = 115,990.05

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1.5x scale

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.