Home / 113,435.43-170,140.15-30,335.91

Finding the Fourth Proportional to 113,435.43, 170,140.15 and 30,335.91

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Solution

The fourth proportional to 113,435.43, 170,140.15 and 30,335.91 is: 45,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,435.43 : 170,140.15 = 30,335.91 : x
  2. Step 2: Convert to fraction form
    113,435.43/170,140.15 = 30,335.91/x
  3. Step 3: Cross multiply
    113,435.43x = 170,140.15 × 30,335.91
  4. Step 4: Simplify right side
    113,435.43x = 5,161,356,277.79
  5. Step 5: Solve for x
    x = 5,161,356,277.79/113,435.43
  6. Step 6: Final answer
    x = 45,500.39

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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.