Home / 172,638.45-238,253.04-104,658.29

Finding the Fourth Proportional to 172,638.45, 238,253.04 and 104,658.29

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Solution

The fourth proportional to 172,638.45, 238,253.04 and 104,658.29 is: 144,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,638.45 : 238,253.04 = 104,658.29 : x
  2. Step 2: Convert to fraction form
    172,638.45/238,253.04 = 104,658.29/x
  3. Step 3: Cross multiply
    172,638.45x = 238,253.04 × 104,658.29
  4. Step 4: Simplify right side
    172,638.45x = 24,935,154,039.15
  5. Step 5: Solve for x
    x = 24,935,154,039.15/172,638.45
  6. Step 6: Final answer
    x = 144,435.70

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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.