Home / 131,146.98-180,998.19-74,566.86

Finding the Fourth Proportional to 131,146.98, 180,998.19 and 74,566.86

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Solution

The fourth proportional to 131,146.98, 180,998.19 and 74,566.86 is: 102,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,146.98 : 180,998.19 = 74,566.86 : x
  2. Step 2: Convert to fraction form
    131,146.98/180,998.19 = 74,566.86/x
  3. Step 3: Cross multiply
    131,146.98x = 180,998.19 × 74,566.86
  4. Step 4: Simplify right side
    131,146.98x = 13,496,466,693.98
  5. Step 5: Solve for x
    x = 13,496,466,693.98/131,146.98
  6. Step 6: Final answer
    x = 102,911.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.