Home / 144,898.20-217,455.30-74,741.40

Finding the Fourth Proportional to 144,898.20, 217,455.30 and 74,741.40

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Solution

The fourth proportional to 144,898.20, 217,455.30 and 74,741.40 is: 112,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,898.20 : 217,455.30 = 74,741.40 : x
  2. Step 2: Convert to fraction form
    144,898.20/217,455.30 = 74,741.40/x
  3. Step 3: Cross multiply
    144,898.20x = 217,455.30 × 74,741.40
  4. Step 4: Simplify right side
    144,898.20x = 16,252,913,559.42
  5. Step 5: Solve for x
    x = 16,252,913,559.42/144,898.20
  6. Step 6: Final answer
    x = 112,167.81

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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.