Home / 173,488.40-259,714.20-103,331.60

Finding the Fourth Proportional to 173,488.40, 259,714.20 and 103,331.60

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Solution

The fourth proportional to 173,488.40, 259,714.20 and 103,331.60 is: 154,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,488.40 : 259,714.20 = 103,331.60 : x
  2. Step 2: Convert to fraction form
    173,488.40/259,714.20 = 103,331.60/x
  3. Step 3: Cross multiply
    173,488.40x = 259,714.20 × 103,331.60
  4. Step 4: Simplify right side
    173,488.40x = 26,836,683,828.72
  5. Step 5: Solve for x
    x = 26,836,683,828.72/173,488.40
  6. Step 6: Final answer
    x = 154,688.64

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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.