Home / 92,787.36-139,202.64-30,454.08

Finding the Fourth Proportional to 92,787.36, 139,202.64 and 30,454.08

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Solution

The fourth proportional to 92,787.36, 139,202.64 and 30,454.08 is: 45,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,787.36 : 139,202.64 = 30,454.08 : x
  2. Step 2: Convert to fraction form
    92,787.36/139,202.64 = 30,454.08/x
  3. Step 3: Cross multiply
    92,787.36x = 139,202.64 × 30,454.08
  4. Step 4: Simplify right side
    92,787.36x = 4,239,288,334.77
  5. Step 5: Solve for x
    x = 4,239,288,334.77/92,787.36
  6. Step 6: Final answer
    x = 45,688.21

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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.