Home / 152,878.20-228,863.70-113,609.40

Finding the Fourth Proportional to 152,878.20, 228,863.70 and 113,609.40

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Solution

The fourth proportional to 152,878.20, 228,863.70 and 113,609.40 is: 170,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,878.20 : 228,863.70 = 113,609.40 : x
  2. Step 2: Convert to fraction form
    152,878.20/228,863.70 = 113,609.40/x
  3. Step 3: Cross multiply
    152,878.20x = 228,863.70 × 113,609.40
  4. Step 4: Simplify right side
    152,878.20x = 26,001,067,638.78
  5. Step 5: Solve for x
    x = 26,001,067,638.78/152,878.20
  6. Step 6: Final answer
    x = 170,077.01

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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.