Home / 173,885.10-260,762.85-121,137.90

Finding the Fourth Proportional to 173,885.10, 260,762.85 and 121,137.90

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Solution

The fourth proportional to 173,885.10, 260,762.85 and 121,137.90 is: 181,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,885.10 : 260,762.85 = 121,137.90 : x
  2. Step 2: Convert to fraction form
    173,885.10/260,762.85 = 121,137.90/x
  3. Step 3: Cross multiply
    173,885.10x = 260,762.85 × 121,137.90
  4. Step 4: Simplify right side
    173,885.10x = 31,588,264,047.02
  5. Step 5: Solve for x
    x = 31,588,264,047.02/173,885.10
  6. Step 6: Final answer
    x = 181,661.71

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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.