Home / 216,437.16-298,677.55-120,944.64

Finding the Fourth Proportional to 216,437.16, 298,677.55 and 120,944.64

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Solution

The fourth proportional to 216,437.16, 298,677.55 and 120,944.64 is: 166,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,437.16 : 298,677.55 = 120,944.64 : x
  2. Step 2: Convert to fraction form
    216,437.16/298,677.55 = 120,944.64/x
  3. Step 3: Cross multiply
    216,437.16x = 298,677.55 × 120,944.64
  4. Step 4: Simplify right side
    216,437.16x = 36,123,448,760.83
  5. Step 5: Solve for x
    x = 36,123,448,760.83/216,437.16
  6. Step 6: Final answer
    x = 166,900.40

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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.