Home / 92,819.34-138,913.65-57,303.27

Finding the Fourth Proportional to 92,819.34, 138,913.65 and 57,303.27

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Solution

The fourth proportional to 92,819.34, 138,913.65 and 57,303.27 is: 85,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,819.34 : 138,913.65 = 57,303.27 : x
  2. Step 2: Convert to fraction form
    92,819.34/138,913.65 = 57,303.27/x
  3. Step 3: Cross multiply
    92,819.34x = 138,913.65 × 57,303.27
  4. Step 4: Simplify right side
    92,819.34x = 7,960,206,392.64
  5. Step 5: Solve for x
    x = 7,960,206,392.64/92,819.34
  6. Step 6: Final answer
    x = 85,760.21

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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.