Home / 163,272.34-225,295.40-90,665.33

Finding the Fourth Proportional to 163,272.34, 225,295.40 and 90,665.33

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Solution

The fourth proportional to 163,272.34, 225,295.40 and 90,665.33 is: 125,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,272.34 : 225,295.40 = 90,665.33 : x
  2. Step 2: Convert to fraction form
    163,272.34/225,295.40 = 90,665.33/x
  3. Step 3: Cross multiply
    163,272.34x = 225,295.40 × 90,665.33
  4. Step 4: Simplify right side
    163,272.34x = 20,426,482,059.37
  5. Step 5: Solve for x
    x = 20,426,482,059.37/163,272.34
  6. Step 6: Final answer
    x = 125,106.82

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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.