Home / 145,475.14-218,212.29-45,635.23

Finding the Fourth Proportional to 145,475.14, 218,212.29 and 45,635.23

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Solution

The fourth proportional to 145,475.14, 218,212.29 and 45,635.23 is: 68,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,475.14 : 218,212.29 = 45,635.23 : x
  2. Step 2: Convert to fraction form
    145,475.14/218,212.29 = 45,635.23/x
  3. Step 3: Cross multiply
    145,475.14x = 218,212.29 × 45,635.23
  4. Step 4: Simplify right side
    145,475.14x = 9,958,168,042.98
  5. Step 5: Solve for x
    x = 9,958,168,042.98/145,475.14
  6. Step 6: Final answer
    x = 68,452.71

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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.