Home / 105,627.35-158,407.95-35,490.26

Finding the Fourth Proportional to 105,627.35, 158,407.95 and 35,490.26

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Solution

The fourth proportional to 105,627.35, 158,407.95 and 35,490.26 is: 53,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,627.35 : 158,407.95 = 35,490.26 : x
  2. Step 2: Convert to fraction form
    105,627.35/158,407.95 = 35,490.26/x
  3. Step 3: Cross multiply
    105,627.35x = 158,407.95 × 35,490.26
  4. Step 4: Simplify right side
    105,627.35x = 5,621,939,331.57
  5. Step 5: Solve for x
    x = 5,621,939,331.57/105,627.35
  6. Step 6: Final answer
    x = 53,224.28

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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.