Home / 163,091.45-225,068.06-90,495.65

Finding the Fourth Proportional to 163,091.45, 225,068.06 and 90,495.65

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Solution

The fourth proportional to 163,091.45, 225,068.06 and 90,495.65 is: 124,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,091.45 : 225,068.06 = 90,495.65 : x
  2. Step 2: Convert to fraction form
    163,091.45/225,068.06 = 90,495.65/x
  3. Step 3: Cross multiply
    163,091.45x = 225,068.06 × 90,495.65
  4. Step 4: Simplify right side
    163,091.45x = 20,367,680,383.94
  5. Step 5: Solve for x
    x = 20,367,680,383.94/163,091.45
  6. Step 6: Final answer
    x = 124,885.03

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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.