Home / 151,559.18-209,146.86-83,579.02

Finding the Fourth Proportional to 151,559.18, 209,146.86 and 83,579.02

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Solution

The fourth proportional to 151,559.18, 209,146.86 and 83,579.02 is: 115,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,559.18 : 209,146.86 = 83,579.02 : x
  2. Step 2: Convert to fraction form
    151,559.18/209,146.86 = 83,579.02/x
  3. Step 3: Cross multiply
    151,559.18x = 209,146.86 × 83,579.02
  4. Step 4: Simplify right side
    151,559.18x = 17,480,289,072.01
  5. Step 5: Solve for x
    x = 17,480,289,072.01/151,559.18
  6. Step 6: Final answer
    x = 115,336.40

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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.