Home / 145,108.44-217,718.64-56,424.42

Finding the Fourth Proportional to 145,108.44, 217,718.64 and 56,424.42

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Solution

The fourth proportional to 145,108.44, 217,718.64 and 56,424.42 is: 84,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,108.44 : 217,718.64 = 56,424.42 : x
  2. Step 2: Convert to fraction form
    145,108.44/217,718.64 = 56,424.42/x
  3. Step 3: Cross multiply
    145,108.44x = 217,718.64 × 56,424.42
  4. Step 4: Simplify right side
    145,108.44x = 12,284,647,985.19
  5. Step 5: Solve for x
    x = 12,284,647,985.19/145,108.44
  6. Step 6: Final answer
    x = 84,658.40

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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.