Home / 107,869.08-161,788.50-45,525

Finding the Fourth Proportional to 107,869.08, 161,788.50 and 45,525

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Solution

The fourth proportional to 107,869.08, 161,788.50 and 45,525 is: 68,281.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,869.08 : 161,788.50 = 45,525 : x
  2. Step 2: Convert to fraction form
    107,869.08/161,788.50 = 45,525/x
  3. Step 3: Cross multiply
    107,869.08x = 161,788.50 × 45,525
  4. Step 4: Simplify right side
    107,869.08x = 7,365,421,462.50
  5. Step 5: Solve for x
    x = 7,365,421,462.50/107,869.08
  6. Step 6: Final answer
    x = 68,281.12

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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.