Home / 145,844.87-218,748.87-57,160.67

Finding the Fourth Proportional to 145,844.87, 218,748.87 and 57,160.67

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Solution

The fourth proportional to 145,844.87, 218,748.87 and 57,160.67 is: 85,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,844.87 : 218,748.87 = 57,160.67 : x
  2. Step 2: Convert to fraction form
    145,844.87/218,748.87 = 57,160.67/x
  3. Step 3: Cross multiply
    145,844.87x = 218,748.87 × 57,160.67
  4. Step 4: Simplify right side
    145,844.87x = 12,503,830,877.20
  5. Step 5: Solve for x
    x = 12,503,830,877.20/145,844.87
  6. Step 6: Final answer
    x = 85,733.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.