Home / 92,624.94-138,988.92-45,240.72

Finding the Fourth Proportional to 92,624.94, 138,988.92 and 45,240.72

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Solution

The fourth proportional to 92,624.94, 138,988.92 and 45,240.72 is: 67,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,624.94 : 138,988.92 = 45,240.72 : x
  2. Step 2: Convert to fraction form
    92,624.94/138,988.92 = 45,240.72/x
  3. Step 3: Cross multiply
    92,624.94x = 138,988.92 × 45,240.72
  4. Step 4: Simplify right side
    92,624.94x = 6,287,958,812.82
  5. Step 5: Solve for x
    x = 6,287,958,812.82/92,624.94
  6. Step 6: Final answer
    x = 67,886.24

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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.