Home / 172,110.30-258,004.95-58,178.84

Finding the Fourth Proportional to 172,110.30, 258,004.95 and 58,178.84

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Solution

The fourth proportional to 172,110.30, 258,004.95 and 58,178.84 is: 87,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,110.30 : 258,004.95 = 58,178.84 : x
  2. Step 2: Convert to fraction form
    172,110.30/258,004.95 = 58,178.84/x
  3. Step 3: Cross multiply
    172,110.30x = 258,004.95 × 58,178.84
  4. Step 4: Simplify right side
    172,110.30x = 15,010,429,132.10
  5. Step 5: Solve for x
    x = 15,010,429,132.10/172,110.30
  6. Step 6: Final answer
    x = 87,214.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.