Home / 177,061.51-265,570.26-71,779.33

Finding the Fourth Proportional to 177,061.51, 265,570.26 and 71,779.33

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Solution

The fourth proportional to 177,061.51, 265,570.26 and 71,779.33 is: 107,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,061.51 : 265,570.26 = 71,779.33 : x
  2. Step 2: Convert to fraction form
    177,061.51/265,570.26 = 71,779.33/x
  3. Step 3: Cross multiply
    177,061.51x = 265,570.26 × 71,779.33
  4. Step 4: Simplify right side
    177,061.51x = 19,062,455,330.73
  5. Step 5: Solve for x
    x = 19,062,455,330.73/177,061.51
  6. Step 6: Final answer
    x = 107,660.07

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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.