Home / 130,838.60-180,546.98-74,249.96

Finding the Fourth Proportional to 130,838.60, 180,546.98 and 74,249.96

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Solution

The fourth proportional to 130,838.60, 180,546.98 and 74,249.96 is: 102,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,838.60 : 180,546.98 = 74,249.96 : x
  2. Step 2: Convert to fraction form
    130,838.60/180,546.98 = 74,249.96/x
  3. Step 3: Cross multiply
    130,838.60x = 180,546.98 × 74,249.96
  4. Step 4: Simplify right side
    130,838.60x = 13,405,606,043.12
  5. Step 5: Solve for x
    x = 13,405,606,043.12/130,838.60
  6. Step 6: Final answer
    x = 102,459.11

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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.