Home / 174,885.40-262,592.10-139,720.60

Finding the Fourth Proportional to 174,885.40, 262,592.10 and 139,720.60

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Solution

The fourth proportional to 174,885.40, 262,592.10 and 139,720.60 is: 209,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,885.40 : 262,592.10 = 139,720.60 : x
  2. Step 2: Convert to fraction form
    174,885.40/262,592.10 = 139,720.60/x
  3. Step 3: Cross multiply
    174,885.40x = 262,592.10 × 139,720.60
  4. Step 4: Simplify right side
    174,885.40x = 36,689,525,767.26
  5. Step 5: Solve for x
    x = 36,689,525,767.26/174,885.40
  6. Step 6: Final answer
    x = 209,791.82

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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.