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Finding the Fourth Proportional to 152,234.94, 210,081.20 and 84,247.96

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Solution

The fourth proportional to 152,234.94, 210,081.20 and 84,247.96 is: 116,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,234.94 : 210,081.20 = 84,247.96 : x
  2. Step 2: Convert to fraction form
    152,234.94/210,081.20 = 84,247.96/x
  3. Step 3: Cross multiply
    152,234.94x = 210,081.20 × 84,247.96
  4. Step 4: Simplify right side
    152,234.94x = 17,698,912,534.35
  5. Step 5: Solve for x
    x = 17,698,912,534.35/152,234.94
  6. Step 6: Final answer
    x = 116,260.52

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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.