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Finding the Fourth Proportional to 115,384.82, 173,083.53 and 36,493.16

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Solution

The fourth proportional to 115,384.82, 173,083.53 and 36,493.16 is: 54,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,384.82 : 173,083.53 = 36,493.16 : x
  2. Step 2: Convert to fraction form
    115,384.82/173,083.53 = 36,493.16/x
  3. Step 3: Cross multiply
    115,384.82x = 173,083.53 × 36,493.16
  4. Step 4: Simplify right side
    115,384.82x = 6,316,364,953.65
  5. Step 5: Solve for x
    x = 6,316,364,953.65/115,384.82
  6. Step 6: Final answer
    x = 54,741.73

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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.