Home / 125,485.46-173,201.91-71,787.32

Finding the Fourth Proportional to 125,485.46, 173,201.91 and 71,787.32

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Solution

The fourth proportional to 125,485.46, 173,201.91 and 71,787.32 is: 99,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,485.46 : 173,201.91 = 71,787.32 : x
  2. Step 2: Convert to fraction form
    125,485.46/173,201.91 = 71,787.32/x
  3. Step 3: Cross multiply
    125,485.46x = 173,201.91 × 71,787.32
  4. Step 4: Simplify right side
    125,485.46x = 12,433,700,071.77
  5. Step 5: Solve for x
    x = 12,433,700,071.77/125,485.46
  6. Step 6: Final answer
    x = 99,084.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.