Home / 154,737.18-213,546.33-86,750.82

Finding the Fourth Proportional to 154,737.18, 213,546.33 and 86,750.82

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Solution

The fourth proportional to 154,737.18, 213,546.33 and 86,750.82 is: 119,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,737.18 : 213,546.33 = 86,750.82 : x
  2. Step 2: Convert to fraction form
    154,737.18/213,546.33 = 86,750.82/x
  3. Step 3: Cross multiply
    154,737.18x = 213,546.33 × 86,750.82
  4. Step 4: Simplify right side
    154,737.18x = 18,525,319,235.49
  5. Step 5: Solve for x
    x = 18,525,319,235.49/154,737.18
  6. Step 6: Final answer
    x = 119,721.19

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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.