Home / 117,005.60-175,508.40-81,576.20

Finding the Fourth Proportional to 117,005.60, 175,508.40 and 81,576.20

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Solution

The fourth proportional to 117,005.60, 175,508.40 and 81,576.20 is: 122,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,005.60 : 175,508.40 = 81,576.20 : x
  2. Step 2: Convert to fraction form
    117,005.60/175,508.40 = 81,576.20/x
  3. Step 3: Cross multiply
    117,005.60x = 175,508.40 × 81,576.20
  4. Step 4: Simplify right side
    117,005.60x = 14,317,308,340.08
  5. Step 5: Solve for x
    x = 14,317,308,340.08/117,005.60
  6. Step 6: Final answer
    x = 122,364.30

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1.5x scale

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.