Home / 120,875.18-166,808.73-75,579.41

Finding the Fourth Proportional to 120,875.18, 166,808.73 and 75,579.41

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Solution

The fourth proportional to 120,875.18, 166,808.73 and 75,579.41 is: 104,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,875.18 : 166,808.73 = 75,579.41 : x
  2. Step 2: Convert to fraction form
    120,875.18/166,808.73 = 75,579.41/x
  3. Step 3: Cross multiply
    120,875.18x = 166,808.73 × 75,579.41
  4. Step 4: Simplify right side
    120,875.18x = 12,607,305,813.27
  5. Step 5: Solve for x
    x = 12,607,305,813.27/120,875.18
  6. Step 6: Final answer
    x = 104,300.21

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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.