Home / 148,083.66-221,608.71-121,117.95

Finding the Fourth Proportional to 148,083.66, 221,608.71 and 121,117.95

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Solution

The fourth proportional to 148,083.66, 221,608.71 and 121,117.95 is: 181,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,083.66 : 221,608.71 = 121,117.95 : x
  2. Step 2: Convert to fraction form
    148,083.66/221,608.71 = 121,117.95/x
  3. Step 3: Cross multiply
    148,083.66x = 221,608.71 × 121,117.95
  4. Step 4: Simplify right side
    148,083.66x = 26,840,792,657.34
  5. Step 5: Solve for x
    x = 26,840,792,657.34/148,083.66
  6. Step 6: Final answer
    x = 181,254.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.