Home / 145,202.51-217,814.69-40,020.56

Finding the Fourth Proportional to 145,202.51, 217,814.69 and 40,020.56

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Solution

The fourth proportional to 145,202.51, 217,814.69 and 40,020.56 is: 60,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,202.51 : 217,814.69 = 40,020.56 : x
  2. Step 2: Convert to fraction form
    145,202.51/217,814.69 = 40,020.56/x
  3. Step 3: Cross multiply
    145,202.51x = 217,814.69 × 40,020.56
  4. Step 4: Simplify right side
    145,202.51x = 8,717,066,514.61
  5. Step 5: Solve for x
    x = 8,717,066,514.61/145,202.51
  6. Step 6: Final answer
    x = 60,033.86

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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.