Home / 119,828.89-179,787.08-69,899.68

Finding the Fourth Proportional to 119,828.89, 179,787.08 and 69,899.68

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Solution

The fourth proportional to 119,828.89, 179,787.08 and 69,899.68 is: 104,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,828.89 : 179,787.08 = 69,899.68 : x
  2. Step 2: Convert to fraction form
    119,828.89/179,787.08 = 69,899.68/x
  3. Step 3: Cross multiply
    119,828.89x = 179,787.08 × 69,899.68
  4. Step 4: Simplify right side
    119,828.89x = 12,567,059,360.13
  5. Step 5: Solve for x
    x = 12,567,059,360.13/119,828.89
  6. Step 6: Final answer
    x = 104,875.04

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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.