Home / 148,684.15-205,187.18-84,153.39

Finding the Fourth Proportional to 148,684.15, 205,187.18 and 84,153.39

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Solution

The fourth proportional to 148,684.15, 205,187.18 and 84,153.39 is: 116,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,684.15 : 205,187.18 = 84,153.39 : x
  2. Step 2: Convert to fraction form
    148,684.15/205,187.18 = 84,153.39/x
  3. Step 3: Cross multiply
    148,684.15x = 205,187.18 × 84,153.39
  4. Step 4: Simplify right side
    148,684.15x = 17,267,196,781.54
  5. Step 5: Solve for x
    x = 17,267,196,781.54/148,684.15
  6. Step 6: Final answer
    x = 116,133.41

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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.