Home / 76,245.10-114,258.68-42,895.50

Finding the Fourth Proportional to 76,245.10, 114,258.68 and 42,895.50

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Solution

The fourth proportional to 76,245.10, 114,258.68 and 42,895.50 is: 64,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,245.10 : 114,258.68 = 42,895.50 : x
  2. Step 2: Convert to fraction form
    76,245.10/114,258.68 = 42,895.50/x
  3. Step 3: Cross multiply
    76,245.10x = 114,258.68 × 42,895.50
  4. Step 4: Simplify right side
    76,245.10x = 4,901,183,207.94
  5. Step 5: Solve for x
    x = 4,901,183,207.94/76,245.10
  6. Step 6: Final answer
    x = 64,281.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.