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Finding the Fourth Proportional to 148,889.18, 205,474.94 and 84,370.93

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Solution

The fourth proportional to 148,889.18, 205,474.94 and 84,370.93 is: 116,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,889.18 : 205,474.94 = 84,370.93 : x
  2. Step 2: Convert to fraction form
    148,889.18/205,474.94 = 84,370.93/x
  3. Step 3: Cross multiply
    148,889.18x = 205,474.94 × 84,370.93
  4. Step 4: Simplify right side
    148,889.18x = 17,336,111,834.89
  5. Step 5: Solve for x
    x = 17,336,111,834.89/148,889.18
  6. Step 6: Final answer
    x = 116,436.34

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1.5x scale

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.