Home / 98,856.78-148,285.10-39,692.42

Finding the Fourth Proportional to 98,856.78, 148,285.10 and 39,692.42

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Solution

The fourth proportional to 98,856.78, 148,285.10 and 39,692.42 is: 59,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,856.78 : 148,285.10 = 39,692.42 : x
  2. Step 2: Convert to fraction form
    98,856.78/148,285.10 = 39,692.42/x
  3. Step 3: Cross multiply
    98,856.78x = 148,285.10 × 39,692.42
  4. Step 4: Simplify right side
    98,856.78x = 5,885,793,899.77
  5. Step 5: Solve for x
    x = 5,885,793,899.77/98,856.78
  6. Step 6: Final answer
    x = 59,538.60

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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.