Home / 113,628.09-170,442.13-34,742.31

Finding the Fourth Proportional to 113,628.09, 170,442.13 and 34,742.31

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Solution

The fourth proportional to 113,628.09, 170,442.13 and 34,742.31 is: 52,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,628.09 : 170,442.13 = 34,742.31 : x
  2. Step 2: Convert to fraction form
    113,628.09/170,442.13 = 34,742.31/x
  3. Step 3: Cross multiply
    113,628.09x = 170,442.13 × 34,742.31
  4. Step 4: Simplify right side
    113,628.09x = 5,921,553,317.52
  5. Step 5: Solve for x
    x = 5,921,553,317.52/113,628.09
  6. Step 6: Final answer
    x = 52,113.46

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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.