Home / 151,939.02-209,810.34-94,676.07

Finding the Fourth Proportional to 151,939.02, 209,810.34 and 94,676.07

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Solution

The fourth proportional to 151,939.02, 209,810.34 and 94,676.07 is: 130,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,939.02 : 209,810.34 = 94,676.07 : x
  2. Step 2: Convert to fraction form
    151,939.02/209,810.34 = 94,676.07/x
  3. Step 3: Cross multiply
    151,939.02x = 209,810.34 × 94,676.07
  4. Step 4: Simplify right side
    151,939.02x = 19,864,018,436.56
  5. Step 5: Solve for x
    x = 19,864,018,436.56/151,939.02
  6. Step 6: Final answer
    x = 130,736.78

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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.