Home / 148,998.17-205,702.19-118,686.35

Finding the Fourth Proportional to 148,998.17, 205,702.19 and 118,686.35

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Solution

The fourth proportional to 148,998.17, 205,702.19 and 118,686.35 is: 163,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,998.17 : 205,702.19 = 118,686.35 : x
  2. Step 2: Convert to fraction form
    148,998.17/205,702.19 = 118,686.35/x
  3. Step 3: Cross multiply
    148,998.17x = 205,702.19 × 118,686.35
  4. Step 4: Simplify right side
    148,998.17x = 24,414,040,496.16
  5. Step 5: Solve for x
    x = 24,414,040,496.16/148,998.17
  6. Step 6: Final answer
    x = 163,854.64

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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.