Home / 151,506.03-209,079.80-83,525.72

Finding the Fourth Proportional to 151,506.03, 209,079.80 and 83,525.72

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Solution

The fourth proportional to 151,506.03, 209,079.80 and 83,525.72 is: 115,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,506.03 : 209,079.80 = 83,525.72 : x
  2. Step 2: Convert to fraction form
    151,506.03/209,079.80 = 83,525.72/x
  3. Step 3: Cross multiply
    151,506.03x = 209,079.80 × 83,525.72
  4. Step 4: Simplify right side
    151,506.03x = 17,463,540,832.46
  5. Step 5: Solve for x
    x = 17,463,540,832.46/151,506.03
  6. Step 6: Final answer
    x = 115,266.31

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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.