Home / 154,165.08-212,743.89-93,737.46

Finding the Fourth Proportional to 154,165.08, 212,743.89 and 93,737.46

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Solution

The fourth proportional to 154,165.08, 212,743.89 and 93,737.46 is: 129,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,165.08 : 212,743.89 = 93,737.46 : x
  2. Step 2: Convert to fraction form
    154,165.08/212,743.89 = 93,737.46/x
  3. Step 3: Cross multiply
    154,165.08x = 212,743.89 × 93,737.46
  4. Step 4: Simplify right side
    154,165.08x = 19,942,071,879.12
  5. Step 5: Solve for x
    x = 19,942,071,879.12/154,165.08
  6. Step 6: Final answer
    x = 129,355.31

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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.