Home / 90,444.78-124,820.22-50,162.40

Finding the Fourth Proportional to 90,444.78, 124,820.22 and 50,162.40

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Solution

The fourth proportional to 90,444.78, 124,820.22 and 50,162.40 is: 69,227.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,444.78 : 124,820.22 = 50,162.40 : x
  2. Step 2: Convert to fraction form
    90,444.78/124,820.22 = 50,162.40/x
  3. Step 3: Cross multiply
    90,444.78x = 124,820.22 × 50,162.40
  4. Step 4: Simplify right side
    90,444.78x = 6,261,281,803.73
  5. Step 5: Solve for x
    x = 6,261,281,803.73/90,444.78
  6. Step 6: Final answer
    x = 69,227.67

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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.