Home / 102,234.75-141,087.09-55,670.70

Finding the Fourth Proportional to 102,234.75, 141,087.09 and 55,670.70

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Solution

The fourth proportional to 102,234.75, 141,087.09 and 55,670.70 is: 76,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,234.75 : 141,087.09 = 55,670.70 : x
  2. Step 2: Convert to fraction form
    102,234.75/141,087.09 = 55,670.70/x
  3. Step 3: Cross multiply
    102,234.75x = 141,087.09 × 55,670.70
  4. Step 4: Simplify right side
    102,234.75x = 7,854,417,061.26
  5. Step 5: Solve for x
    x = 7,854,417,061.26/102,234.75
  6. Step 6: Final answer
    x = 76,827.27

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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.