Home / 148,630.24-205,110.12-84,969.76

Finding the Fourth Proportional to 148,630.24, 205,110.12 and 84,969.76

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Solution

The fourth proportional to 148,630.24, 205,110.12 and 84,969.76 is: 117,258.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,630.24 : 205,110.12 = 84,969.76 : x
  2. Step 2: Convert to fraction form
    148,630.24/205,110.12 = 84,969.76/x
  3. Step 3: Cross multiply
    148,630.24x = 205,110.12 × 84,969.76
  4. Step 4: Simplify right side
    148,630.24x = 17,428,157,669.97
  5. Step 5: Solve for x
    x = 17,428,157,669.97/148,630.24
  6. Step 6: Final answer
    x = 117,258.49

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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.