Home / 76,160.30-114,152.13-45,021.74

Finding the Fourth Proportional to 76,160.30, 114,152.13 and 45,021.74

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Solution

The fourth proportional to 76,160.30, 114,152.13 and 45,021.74 is: 67,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,160.30 : 114,152.13 = 45,021.74 : x
  2. Step 2: Convert to fraction form
    76,160.30/114,152.13 = 45,021.74/x
  3. Step 3: Cross multiply
    76,160.30x = 114,152.13 × 45,021.74
  4. Step 4: Simplify right side
    76,160.30x = 5,139,327,517.31
  5. Step 5: Solve for x
    x = 5,139,327,517.31/76,160.30
  6. Step 6: Final answer
    x = 67,480.40

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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.