Home / 115,609.83-173,428.64-40,714.50

Finding the Fourth Proportional to 115,609.83, 173,428.64 and 40,714.50

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Solution

The fourth proportional to 115,609.83, 173,428.64 and 40,714.50 is: 61,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,609.83 : 173,428.64 = 40,714.50 : x
  2. Step 2: Convert to fraction form
    115,609.83/173,428.64 = 40,714.50/x
  3. Step 3: Cross multiply
    115,609.83x = 173,428.64 × 40,714.50
  4. Step 4: Simplify right side
    115,609.83x = 7,061,060,159.71
  5. Step 5: Solve for x
    x = 7,061,060,159.71/115,609.83
  6. Step 6: Final answer
    x = 61,076.64

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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.