Home / 160,363.11-240,378.57-131,985

Finding the Fourth Proportional to 160,363.11, 240,378.57 and 131,985

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Solution

The fourth proportional to 160,363.11, 240,378.57 and 131,985 is: 197,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,363.11 : 240,378.57 = 131,985 : x
  2. Step 2: Convert to fraction form
    160,363.11/240,378.57 = 131,985/x
  3. Step 3: Cross multiply
    160,363.11x = 240,378.57 × 131,985
  4. Step 4: Simplify right side
    160,363.11x = 31,726,365,561.45
  5. Step 5: Solve for x
    x = 31,726,365,561.45/160,363.11
  6. Step 6: Final answer
    x = 197,840.80

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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.