Home / 76,138.41-114,222.20-23,538.63

Finding the Fourth Proportional to 76,138.41, 114,222.20 and 23,538.63

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Solution

The fourth proportional to 76,138.41, 114,222.20 and 23,538.63 is: 35,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,138.41 : 114,222.20 = 23,538.63 : x
  2. Step 2: Convert to fraction form
    76,138.41/114,222.20 = 23,538.63/x
  3. Step 3: Cross multiply
    76,138.41x = 114,222.20 × 23,538.63
  4. Step 4: Simplify right side
    76,138.41x = 2,688,634,103.59
  5. Step 5: Solve for x
    x = 2,688,634,103.59/76,138.41
  6. Step 6: Final answer
    x = 35,312.45

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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.