Home / 180,212.46-248,679.96-99,640.98

Finding the Fourth Proportional to 180,212.46, 248,679.96 and 99,640.98

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Solution

The fourth proportional to 180,212.46, 248,679.96 and 99,640.98 is: 137,497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,212.46 : 248,679.96 = 99,640.98 : x
  2. Step 2: Convert to fraction form
    180,212.46/248,679.96 = 99,640.98/x
  3. Step 3: Cross multiply
    180,212.46x = 248,679.96 × 99,640.98
  4. Step 4: Simplify right side
    180,212.46x = 24,778,714,920.76
  5. Step 5: Solve for x
    x = 24,778,714,920.76/180,212.46
  6. Step 6: Final answer
    x = 137,497.23

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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.