Home / 107,288.56-148,085.10-61,992.86

Finding the Fourth Proportional to 107,288.56, 148,085.10 and 61,992.86

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Solution

The fourth proportional to 107,288.56, 148,085.10 and 61,992.86 is: 85,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,288.56 : 148,085.10 = 61,992.86 : x
  2. Step 2: Convert to fraction form
    107,288.56/148,085.10 = 61,992.86/x
  3. Step 3: Cross multiply
    107,288.56x = 148,085.10 × 61,992.86
  4. Step 4: Simplify right side
    107,288.56x = 9,180,218,131.96
  5. Step 5: Solve for x
    x = 9,180,218,131.96/107,288.56
  6. Step 6: Final answer
    x = 85,565.67

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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.