Home / 165,741.36-248,477.08-77,050.80

Finding the Fourth Proportional to 165,741.36, 248,477.08 and 77,050.80

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Solution

The fourth proportional to 165,741.36, 248,477.08 and 77,050.80 is: 115,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,741.36 : 248,477.08 = 77,050.80 : x
  2. Step 2: Convert to fraction form
    165,741.36/248,477.08 = 77,050.80/x
  3. Step 3: Cross multiply
    165,741.36x = 248,477.08 × 77,050.80
  4. Step 4: Simplify right side
    165,741.36x = 19,145,357,795.66
  5. Step 5: Solve for x
    x = 19,145,357,795.66/165,741.36
  6. Step 6: Final answer
    x = 115,513.46

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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.