Home / 145,546.17-218,245.46-66,592.73

Finding the Fourth Proportional to 145,546.17, 218,245.46 and 66,592.73

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Solution

The fourth proportional to 145,546.17, 218,245.46 and 66,592.73 is: 99,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,546.17 : 218,245.46 = 66,592.73 : x
  2. Step 2: Convert to fraction form
    145,546.17/218,245.46 = 66,592.73/x
  3. Step 3: Cross multiply
    145,546.17x = 218,245.46 × 66,592.73
  4. Step 4: Simplify right side
    145,546.17x = 14,533,559,567.31
  5. Step 5: Solve for x
    x = 14,533,559,567.31/145,546.17
  6. Step 6: Final answer
    x = 99,855.32

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1.5x scale

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.