Home / 136,838.07-205,316.23-73,584.26

Finding the Fourth Proportional to 136,838.07, 205,316.23 and 73,584.26

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Solution

The fourth proportional to 136,838.07, 205,316.23 and 73,584.26 is: 110,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,838.07 : 205,316.23 = 73,584.26 : x
  2. Step 2: Convert to fraction form
    136,838.07/205,316.23 = 73,584.26/x
  3. Step 3: Cross multiply
    136,838.07x = 205,316.23 × 73,584.26
  4. Step 4: Simplify right side
    136,838.07x = 15,108,041,823.96
  5. Step 5: Solve for x
    x = 15,108,041,823.96/136,838.07
  6. Step 6: Final answer
    x = 110,408.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.