Home / 151,982.67-209,762.13-88,357.37

Finding the Fourth Proportional to 151,982.67, 209,762.13 and 88,357.37

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Solution

The fourth proportional to 151,982.67, 209,762.13 and 88,357.37 is: 121,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,982.67 : 209,762.13 = 88,357.37 : x
  2. Step 2: Convert to fraction form
    151,982.67/209,762.13 = 88,357.37/x
  3. Step 3: Cross multiply
    151,982.67x = 209,762.13 × 88,357.37
  4. Step 4: Simplify right side
    151,982.67x = 18,534,030,132.40
  5. Step 5: Solve for x
    x = 18,534,030,132.40/151,982.67
  6. Step 6: Final answer
    x = 121,948.31

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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.