Home / 216,303.56-298,495.74-120,811.58

Finding the Fourth Proportional to 216,303.56, 298,495.74 and 120,811.58

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Solution

The fourth proportional to 216,303.56, 298,495.74 and 120,811.58 is: 166,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,303.56 : 298,495.74 = 120,811.58 : x
  2. Step 2: Convert to fraction form
    216,303.56/298,495.74 = 120,811.58/x
  3. Step 3: Cross multiply
    216,303.56x = 298,495.74 × 120,811.58
  4. Step 4: Simplify right side
    216,303.56x = 36,061,741,972.67
  5. Step 5: Solve for x
    x = 36,061,741,972.67/216,303.56
  6. Step 6: Final answer
    x = 166,718.21

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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.