Home / 118,846.08-164,003.40-71,071.20

Finding the Fourth Proportional to 118,846.08, 164,003.40 and 71,071.20

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Solution

The fourth proportional to 118,846.08, 164,003.40 and 71,071.20 is: 98,075.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,846.08 : 164,003.40 = 71,071.20 : x
  2. Step 2: Convert to fraction form
    118,846.08/164,003.40 = 71,071.20/x
  3. Step 3: Cross multiply
    118,846.08x = 164,003.40 × 71,071.20
  4. Step 4: Simplify right side
    118,846.08x = 11,655,918,442.08
  5. Step 5: Solve for x
    x = 11,655,918,442.08/118,846.08
  6. Step 6: Final answer
    x = 98,075.75

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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.