Home / 180,275.50-248,770.40-99,698.32

Finding the Fourth Proportional to 180,275.50, 248,770.40 and 99,698.32

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Solution

The fourth proportional to 180,275.50, 248,770.40 and 99,698.32 is: 137,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,275.50 : 248,770.40 = 99,698.32 : x
  2. Step 2: Convert to fraction form
    180,275.50/248,770.40 = 99,698.32/x
  3. Step 3: Cross multiply
    180,275.50x = 248,770.40 × 99,698.32
  4. Step 4: Simplify right side
    180,275.50x = 24,801,990,945.73
  5. Step 5: Solve for x
    x = 24,801,990,945.73/180,275.50
  6. Step 6: Final answer
    x = 137,578.27

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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.