Home / 172,664.08-238,411.56-135,045.52

Finding the Fourth Proportional to 172,664.08, 238,411.56 and 135,045.52

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Solution

The fourth proportional to 172,664.08, 238,411.56 and 135,045.52 is: 186,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,664.08 : 238,411.56 = 135,045.52 : x
  2. Step 2: Convert to fraction form
    172,664.08/238,411.56 = 135,045.52/x
  3. Step 3: Cross multiply
    172,664.08x = 238,411.56 × 135,045.52
  4. Step 4: Simplify right side
    172,664.08x = 32,196,413,094.21
  5. Step 5: Solve for x
    x = 32,196,413,094.21/172,664.08
  6. Step 6: Final answer
    x = 186,468.51

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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.