Home / 147,408.36-203,424.22-83,749.64

Finding the Fourth Proportional to 147,408.36, 203,424.22 and 83,749.64

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Solution

The fourth proportional to 147,408.36, 203,424.22 and 83,749.64 is: 115,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,408.36 : 203,424.22 = 83,749.64 : x
  2. Step 2: Convert to fraction form
    147,408.36/203,424.22 = 83,749.64/x
  3. Step 3: Cross multiply
    147,408.36x = 203,424.22 × 83,749.64
  4. Step 4: Simplify right side
    147,408.36x = 17,036,705,192.28
  5. Step 5: Solve for x
    x = 17,036,705,192.28/147,408.36
  6. Step 6: Final answer
    x = 115,574.89

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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.