Home / 145,951.14-218,935.38-40,770.12

Finding the Fourth Proportional to 145,951.14, 218,935.38 and 40,770.12

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Solution

The fourth proportional to 145,951.14, 218,935.38 and 40,770.12 is: 61,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,951.14 : 218,935.38 = 40,770.12 : x
  2. Step 2: Convert to fraction form
    145,951.14/218,935.38 = 40,770.12/x
  3. Step 3: Cross multiply
    145,951.14x = 218,935.38 × 40,770.12
  4. Step 4: Simplify right side
    145,951.14x = 8,926,021,714.85
  5. Step 5: Solve for x
    x = 8,926,021,714.85/145,951.14
  6. Step 6: Final answer
    x = 61,157.60

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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.