Home / 152,443.20-210,266.64-107,217.12

Finding the Fourth Proportional to 152,443.20, 210,266.64 and 107,217.12

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Solution

The fourth proportional to 152,443.20, 210,266.64 and 107,217.12 is: 147,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,443.20 : 210,266.64 = 107,217.12 : x
  2. Step 2: Convert to fraction form
    152,443.20/210,266.64 = 107,217.12/x
  3. Step 3: Cross multiply
    152,443.20x = 210,266.64 × 107,217.12
  4. Step 4: Simplify right side
    152,443.20x = 22,544,183,572.88
  5. Step 5: Solve for x
    x = 22,544,183,572.88/152,443.20
  6. Step 6: Final answer
    x = 147,885.79

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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.