Home / 144,901.40-217,416.90-51,474.20

Finding the Fourth Proportional to 144,901.40, 217,416.90 and 51,474.20

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Solution

The fourth proportional to 144,901.40, 217,416.90 and 51,474.20 is: 77,234.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,901.40 : 217,416.90 = 51,474.20 : x
  2. Step 2: Convert to fraction form
    144,901.40/217,416.90 = 51,474.20/x
  3. Step 3: Cross multiply
    144,901.40x = 217,416.90 × 51,474.20
  4. Step 4: Simplify right side
    144,901.40x = 11,191,360,993.98
  5. Step 5: Solve for x
    x = 11,191,360,993.98/144,901.40
  6. Step 6: Final answer
    x = 77,234.32

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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.