Home / 102,379.47-141,288.48-59,951.67

Finding the Fourth Proportional to 102,379.47, 141,288.48 and 59,951.67

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Solution

The fourth proportional to 102,379.47, 141,288.48 and 59,951.67 is: 82,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,379.47 : 141,288.48 = 59,951.67 : x
  2. Step 2: Convert to fraction form
    102,379.47/141,288.48 = 59,951.67/x
  3. Step 3: Cross multiply
    102,379.47x = 141,288.48 × 59,951.67
  4. Step 4: Simplify right side
    102,379.47x = 8,470,480,327.76
  5. Step 5: Solve for x
    x = 8,470,480,327.76/102,379.47
  6. Step 6: Final answer
    x = 82,736.12

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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.