Home / 145,332.48-217,916.64-50,519.04

Finding the Fourth Proportional to 145,332.48, 217,916.64 and 50,519.04

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Solution

The fourth proportional to 145,332.48, 217,916.64 and 50,519.04 is: 75,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,332.48 : 217,916.64 = 50,519.04 : x
  2. Step 2: Convert to fraction form
    145,332.48/217,916.64 = 50,519.04/x
  3. Step 3: Cross multiply
    145,332.48x = 217,916.64 × 50,519.04
  4. Step 4: Simplify right side
    145,332.48x = 11,008,939,452.83
  5. Step 5: Solve for x
    x = 11,008,939,452.83/145,332.48
  6. Step 6: Final answer
    x = 75,750.03

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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.