Home / 153,979.96-210,949.01-148,223.28

Finding the Fourth Proportional to 153,979.96, 210,949.01 and 148,223.28

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Solution

The fourth proportional to 153,979.96, 210,949.01 and 148,223.28 is: 203,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,979.96 : 210,949.01 = 148,223.28 : x
  2. Step 2: Convert to fraction form
    153,979.96/210,949.01 = 148,223.28/x
  3. Step 3: Cross multiply
    153,979.96x = 210,949.01 × 148,223.28
  4. Step 4: Simplify right side
    153,979.96x = 31,267,554,174.95
  5. Step 5: Solve for x
    x = 31,267,554,174.95/153,979.96
  6. Step 6: Final answer
    x = 203,062.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.