Home / 113,425.61-170,138.40-34,539.84

Finding the Fourth Proportional to 113,425.61, 170,138.40 and 34,539.84

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Solution

The fourth proportional to 113,425.61, 170,138.40 and 34,539.84 is: 51,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,425.61 : 170,138.40 = 34,539.84 : x
  2. Step 2: Convert to fraction form
    113,425.61/170,138.40 = 34,539.84/x
  3. Step 3: Cross multiply
    113,425.61x = 170,138.40 × 34,539.84
  4. Step 4: Simplify right side
    113,425.61x = 5,876,553,113.86
  5. Step 5: Solve for x
    x = 5,876,553,113.86/113,425.61
  6. Step 6: Final answer
    x = 51,809.76

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1.5x scale

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.