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Finding the Fourth Proportional to 171,176.68, 256,713.18 and 46,501.48

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Solution

The fourth proportional to 171,176.68, 256,713.18 and 46,501.48 is: 69,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,176.68 : 256,713.18 = 46,501.48 : x
  2. Step 2: Convert to fraction form
    171,176.68/256,713.18 = 46,501.48/x
  3. Step 3: Cross multiply
    171,176.68x = 256,713.18 × 46,501.48
  4. Step 4: Simplify right side
    171,176.68x = 11,937,542,805.51
  5. Step 5: Solve for x
    x = 11,937,542,805.51/171,176.68
  6. Step 6: Final answer
    x = 69,738.14

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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.