Home / 202,810.40-279,869.88-110,928.20

Finding the Fourth Proportional to 202,810.40, 279,869.88 and 110,928.20

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Solution

The fourth proportional to 202,810.40, 279,869.88 and 110,928.20 is: 153,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,810.40 : 279,869.88 = 110,928.20 : x
  2. Step 2: Convert to fraction form
    202,810.40/279,869.88 = 110,928.20/x
  3. Step 3: Cross multiply
    202,810.40x = 279,869.88 × 110,928.20
  4. Step 4: Simplify right side
    202,810.40x = 31,045,460,623.27
  5. Step 5: Solve for x
    x = 31,045,460,623.27/202,810.40
  6. Step 6: Final answer
    x = 153,076.28

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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.