Home / 105,625.20-158,461.80-35,511.60

Finding the Fourth Proportional to 105,625.20, 158,461.80 and 35,511.60

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Solution

The fourth proportional to 105,625.20, 158,461.80 and 35,511.60 is: 53,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,625.20 : 158,461.80 = 35,511.60 : x
  2. Step 2: Convert to fraction form
    105,625.20/158,461.80 = 35,511.60/x
  3. Step 3: Cross multiply
    105,625.20x = 158,461.80 × 35,511.60
  4. Step 4: Simplify right side
    105,625.20x = 5,627,232,056.88
  5. Step 5: Solve for x
    x = 5,627,232,056.88/105,625.20
  6. Step 6: Final answer
    x = 53,275.47

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1.5x scale

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.