Home / 253,527.08-380,267.88-76,073.72

Finding the Fourth Proportional to 253,527.08, 380,267.88 and 76,073.72

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Solution

The fourth proportional to 253,527.08, 380,267.88 and 76,073.72 is: 114,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,527.08 : 380,267.88 = 76,073.72 : x
  2. Step 2: Convert to fraction form
    253,527.08/380,267.88 = 76,073.72/x
  3. Step 3: Cross multiply
    253,527.08x = 380,267.88 × 76,073.72
  4. Step 4: Simplify right side
    253,527.08x = 28,928,392,228.11
  5. Step 5: Solve for x
    x = 28,928,392,228.11/253,527.08
  6. Step 6: Final answer
    x = 114,103.76

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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.