Home / 145,238.44-217,764.42-56,397.28

Finding the Fourth Proportional to 145,238.44, 217,764.42 and 56,397.28

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Solution

The fourth proportional to 145,238.44, 217,764.42 and 56,397.28 is: 84,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,238.44 : 217,764.42 = 56,397.28 : x
  2. Step 2: Convert to fraction form
    145,238.44/217,764.42 = 56,397.28/x
  3. Step 3: Cross multiply
    145,238.44x = 217,764.42 × 56,397.28
  4. Step 4: Simplify right side
    145,238.44x = 12,281,320,968.78
  5. Step 5: Solve for x
    x = 12,281,320,968.78/145,238.44
  6. Step 6: Final answer
    x = 84,559.71

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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.