Home / 103,014.10-155,223.06-84,704.29

Finding the Fourth Proportional to 103,014.10, 155,223.06 and 84,704.29

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Solution

The fourth proportional to 103,014.10, 155,223.06 and 84,704.29 is: 127,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,014.10 : 155,223.06 = 84,704.29 : x
  2. Step 2: Convert to fraction form
    103,014.10/155,223.06 = 84,704.29/x
  3. Step 3: Cross multiply
    103,014.10x = 155,223.06 × 84,704.29
  4. Step 4: Simplify right side
    103,014.10x = 13,148,059,088.93
  5. Step 5: Solve for x
    x = 13,148,059,088.93/103,014.10
  6. Step 6: Final answer
    x = 127,633.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.