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Finding the Fourth Proportional to 98,075.82, 147,135.60 and 35,746.32

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Solution

The fourth proportional to 98,075.82, 147,135.60 and 35,746.32 is: 53,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,075.82 : 147,135.60 = 35,746.32 : x
  2. Step 2: Convert to fraction form
    98,075.82/147,135.60 = 35,746.32/x
  3. Step 3: Cross multiply
    98,075.82x = 147,135.60 × 35,746.32
  4. Step 4: Simplify right side
    98,075.82x = 5,259,556,240.99
  5. Step 5: Solve for x
    x = 5,259,556,240.99/98,075.82
  6. Step 6: Final answer
    x = 53,627.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.