Home / 123,533.40-170,363.34-89,772.60

Finding the Fourth Proportional to 123,533.40, 170,363.34 and 89,772.60

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Solution

The fourth proportional to 123,533.40, 170,363.34 and 89,772.60 is: 123,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,533.40 : 170,363.34 = 89,772.60 : x
  2. Step 2: Convert to fraction form
    123,533.40/170,363.34 = 89,772.60/x
  3. Step 3: Cross multiply
    123,533.40x = 170,363.34 × 89,772.60
  4. Step 4: Simplify right side
    123,533.40x = 15,293,959,976.48
  5. Step 5: Solve for x
    x = 15,293,959,976.48/123,533.40
  6. Step 6: Final answer
    x = 123,804.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.