Home / 117,869.10-176,742.48-57,871.20

Finding the Fourth Proportional to 117,869.10, 176,742.48 and 57,871.20

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Solution

The fourth proportional to 117,869.10, 176,742.48 and 57,871.20 is: 86,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,869.10 : 176,742.48 = 57,871.20 : x
  2. Step 2: Convert to fraction form
    117,869.10/176,742.48 = 57,871.20/x
  3. Step 3: Cross multiply
    117,869.10x = 176,742.48 × 57,871.20
  4. Step 4: Simplify right side
    117,869.10x = 10,228,299,408.58
  5. Step 5: Solve for x
    x = 10,228,299,408.58/117,869.10
  6. Step 6: Final answer
    x = 86,776.77

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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.