Home / 119,742.89-165,256.28-68,762.30

Finding the Fourth Proportional to 119,742.89, 165,256.28 and 68,762.30

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Solution

The fourth proportional to 119,742.89, 165,256.28 and 68,762.30 is: 94,898.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,742.89 : 165,256.28 = 68,762.30 : x
  2. Step 2: Convert to fraction form
    119,742.89/165,256.28 = 68,762.30/x
  3. Step 3: Cross multiply
    119,742.89x = 165,256.28 × 68,762.30
  4. Step 4: Simplify right side
    119,742.89x = 11,363,400,732.15
  5. Step 5: Solve for x
    x = 11,363,400,732.15/119,742.89
  6. Step 6: Final answer
    x = 94,898.34

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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.