Home / 147,636-203,748.63-83,994.30

Finding the Fourth Proportional to 147,636, 203,748.63 and 83,994.30

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Solution

The fourth proportional to 147,636, 203,748.63 and 83,994.30 is: 115,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,636 : 203,748.63 = 83,994.30 : x
  2. Step 2: Convert to fraction form
    147,636/203,748.63 = 83,994.30/x
  3. Step 3: Cross multiply
    147,636x = 203,748.63 × 83,994.30
  4. Step 4: Simplify right side
    147,636x = 17,113,723,552.81
  5. Step 5: Solve for x
    x = 17,113,723,552.81/147,636
  6. Step 6: Final answer
    x = 115,918.36

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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.