Home / 151,552.72-209,133.03-83,570.19

Finding the Fourth Proportional to 151,552.72, 209,133.03 and 83,570.19

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Solution

The fourth proportional to 151,552.72, 209,133.03 and 83,570.19 is: 115,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,552.72 : 209,133.03 = 83,570.19 : x
  2. Step 2: Convert to fraction form
    151,552.72/209,133.03 = 83,570.19/x
  3. Step 3: Cross multiply
    151,552.72x = 209,133.03 × 83,570.19
  4. Step 4: Simplify right side
    151,552.72x = 17,477,287,052.38
  5. Step 5: Solve for x
    x = 17,477,287,052.38/151,552.72
  6. Step 6: Final answer
    x = 115,321.50

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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.