Home / 172,488.63-238,143.68-118,131.96

Finding the Fourth Proportional to 172,488.63, 238,143.68 and 118,131.96

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Solution

The fourth proportional to 172,488.63, 238,143.68 and 118,131.96 is: 163,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,488.63 : 238,143.68 = 118,131.96 : x
  2. Step 2: Convert to fraction form
    172,488.63/238,143.68 = 118,131.96/x
  3. Step 3: Cross multiply
    172,488.63x = 238,143.68 × 118,131.96
  4. Step 4: Simplify right side
    172,488.63x = 28,132,379,089.35
  5. Step 5: Solve for x
    x = 28,132,379,089.35/172,488.63
  6. Step 6: Final answer
    x = 163,097.01

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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.