Home / 174,715.19-261,885.84-90,390.41

Finding the Fourth Proportional to 174,715.19, 261,885.84 and 90,390.41

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Solution

The fourth proportional to 174,715.19, 261,885.84 and 90,390.41 is: 135,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,715.19 : 261,885.84 = 90,390.41 : x
  2. Step 2: Convert to fraction form
    174,715.19/261,885.84 = 90,390.41/x
  3. Step 3: Cross multiply
    174,715.19x = 261,885.84 × 90,390.41
  4. Step 4: Simplify right side
    174,715.19x = 23,671,968,450.79
  5. Step 5: Solve for x
    x = 23,671,968,450.79/174,715.19
  6. Step 6: Final answer
    x = 135,488.90

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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.