Home / 119,784.78-179,638.30-39,801.27

Finding the Fourth Proportional to 119,784.78, 179,638.30 and 39,801.27

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Solution

The fourth proportional to 119,784.78, 179,638.30 and 39,801.27 is: 59,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,784.78 : 179,638.30 = 39,801.27 : x
  2. Step 2: Convert to fraction form
    119,784.78/179,638.30 = 39,801.27/x
  3. Step 3: Cross multiply
    119,784.78x = 179,638.30 × 39,801.27
  4. Step 4: Simplify right side
    119,784.78x = 7,149,831,566.18
  5. Step 5: Solve for x
    x = 7,149,831,566.18/119,784.78
  6. Step 6: Final answer
    x = 59,688.98

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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.