Home / 102,110.74-140,892-59,661.07

Finding the Fourth Proportional to 102,110.74, 140,892 and 59,661.07

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Solution

The fourth proportional to 102,110.74, 140,892 and 59,661.07 is: 82,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,110.74 : 140,892 = 59,661.07 : x
  2. Step 2: Convert to fraction form
    102,110.74/140,892 = 59,661.07/x
  3. Step 3: Cross multiply
    102,110.74x = 140,892 × 59,661.07
  4. Step 4: Simplify right side
    102,110.74x = 8,405,767,474.44
  5. Step 5: Solve for x
    x = 8,405,767,474.44/102,110.74
  6. Step 6: Final answer
    x = 82,320.11

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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.