Home / 99,070.38-148,603.83-39,904.53

Finding the Fourth Proportional to 99,070.38, 148,603.83 and 39,904.53

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Solution

The fourth proportional to 99,070.38, 148,603.83 and 39,904.53 is: 59,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,070.38 : 148,603.83 = 39,904.53 : x
  2. Step 2: Convert to fraction form
    99,070.38/148,603.83 = 39,904.53/x
  3. Step 3: Cross multiply
    99,070.38x = 148,603.83 × 39,904.53
  4. Step 4: Simplify right side
    99,070.38x = 5,929,965,992.35
  5. Step 5: Solve for x
    x = 5,929,965,992.35/99,070.38
  6. Step 6: Final answer
    x = 59,856.09

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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.