Home / 243,605.08-365,339.34-103,267.72

Finding the Fourth Proportional to 243,605.08, 365,339.34 and 103,267.72

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Solution

The fourth proportional to 243,605.08, 365,339.34 and 103,267.72 is: 154,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,605.08 : 365,339.34 = 103,267.72 : x
  2. Step 2: Convert to fraction form
    243,605.08/365,339.34 = 103,267.72/x
  3. Step 3: Cross multiply
    243,605.08x = 365,339.34 × 103,267.72
  4. Step 4: Simplify right side
    243,605.08x = 37,727,760,668.10
  5. Step 5: Solve for x
    x = 37,727,760,668.10/243,605.08
  6. Step 6: Final answer
    x = 154,872.64

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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.