Home / 147,355.42-203,347.74-81,948.26

Finding the Fourth Proportional to 147,355.42, 203,347.74 and 81,948.26

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Solution

The fourth proportional to 147,355.42, 203,347.74 and 81,948.26 is: 113,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,355.42 : 203,347.74 = 81,948.26 : x
  2. Step 2: Convert to fraction form
    147,355.42/203,347.74 = 81,948.26/x
  3. Step 3: Cross multiply
    147,355.42x = 203,347.74 × 81,948.26
  4. Step 4: Simplify right side
    147,355.42x = 16,663,993,467.93
  5. Step 5: Solve for x
    x = 16,663,993,467.93/147,355.42
  6. Step 6: Final answer
    x = 113,087.08

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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.