Home / 92,120.23-138,172.41-56,087.35

Finding the Fourth Proportional to 92,120.23, 138,172.41 and 56,087.35

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Solution

The fourth proportional to 92,120.23, 138,172.41 and 56,087.35 is: 84,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,120.23 : 138,172.41 = 56,087.35 : x
  2. Step 2: Convert to fraction form
    92,120.23/138,172.41 = 56,087.35/x
  3. Step 3: Cross multiply
    92,120.23x = 138,172.41 × 56,087.35
  4. Step 4: Simplify right side
    92,120.23x = 7,749,723,348.71
  5. Step 5: Solve for x
    x = 7,749,723,348.71/92,120.23
  6. Step 6: Final answer
    x = 84,126.18

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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.