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Finding the Fourth Proportional to 173,953.62, 240,539.22 and 138,081.42

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Solution

The fourth proportional to 173,953.62, 240,539.22 and 138,081.42 is: 190,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,953.62 : 240,539.22 = 138,081.42 : x
  2. Step 2: Convert to fraction form
    173,953.62/240,539.22 = 138,081.42/x
  3. Step 3: Cross multiply
    173,953.62x = 240,539.22 × 138,081.42
  4. Step 4: Simplify right side
    173,953.62x = 33,213,997,063.29
  5. Step 5: Solve for x
    x = 33,213,997,063.29/173,953.62
  6. Step 6: Final answer
    x = 190,935.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.