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Finding the Fourth Proportional to 173,051.10, 238,827.24 and 105,052.32

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Solution

The fourth proportional to 173,051.10, 238,827.24 and 105,052.32 is: 144,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,051.10 : 238,827.24 = 105,052.32 : x
  2. Step 2: Convert to fraction form
    173,051.10/238,827.24 = 105,052.32/x
  3. Step 3: Cross multiply
    173,051.10x = 238,827.24 × 105,052.32
  4. Step 4: Simplify right side
    173,051.10x = 25,089,355,641.20
  5. Step 5: Solve for x
    x = 25,089,355,641.20/173,051.10
  6. Step 6: Final answer
    x = 144,982.35

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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.