Home / 105,511.83-158,280.75-34,415.45

Finding the Fourth Proportional to 105,511.83, 158,280.75 and 34,415.45

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Solution

The fourth proportional to 105,511.83, 158,280.75 and 34,415.45 is: 51,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,511.83 : 158,280.75 = 34,415.45 : x
  2. Step 2: Convert to fraction form
    105,511.83/158,280.75 = 34,415.45/x
  3. Step 3: Cross multiply
    105,511.83x = 158,280.75 × 34,415.45
  4. Step 4: Simplify right side
    105,511.83x = 5,447,302,446.18
  5. Step 5: Solve for x
    x = 5,447,302,446.18/105,511.83
  6. Step 6: Final answer
    x = 51,627.41

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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.