Home / 165,678.12-248,546.40-60,643.80

Finding the Fourth Proportional to 165,678.12, 248,546.40 and 60,643.80

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Solution

The fourth proportional to 165,678.12, 248,546.40 and 60,643.80 is: 90,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,678.12 : 248,546.40 = 60,643.80 : x
  2. Step 2: Convert to fraction form
    165,678.12/248,546.40 = 60,643.80/x
  3. Step 3: Cross multiply
    165,678.12x = 248,546.40 × 60,643.80
  4. Step 4: Simplify right side
    165,678.12x = 15,072,798,172.32
  5. Step 5: Solve for x
    x = 15,072,798,172.32/165,678.12
  6. Step 6: Final answer
    x = 90,976.40

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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.