Home / 216,427.32-298,671.18-120,938.04

Finding the Fourth Proportional to 216,427.32, 298,671.18 and 120,938.04

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Solution

The fourth proportional to 216,427.32, 298,671.18 and 120,938.04 is: 166,895.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,427.32 : 298,671.18 = 120,938.04 : x
  2. Step 2: Convert to fraction form
    216,427.32/298,671.18 = 120,938.04/x
  3. Step 3: Cross multiply
    216,427.32x = 298,671.18 × 120,938.04
  4. Step 4: Simplify right side
    216,427.32x = 36,120,707,113.69
  5. Step 5: Solve for x
    x = 36,120,707,113.69/216,427.32
  6. Step 6: Final answer
    x = 166,895.32

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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.