Home / 148,534.32-221,258.04-140,486.16

Finding the Fourth Proportional to 148,534.32, 221,258.04 and 140,486.16

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Solution

The fourth proportional to 148,534.32, 221,258.04 and 140,486.16 is: 209,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,534.32 : 221,258.04 = 140,486.16 : x
  2. Step 2: Convert to fraction form
    148,534.32/221,258.04 = 140,486.16/x
  3. Step 3: Cross multiply
    148,534.32x = 221,258.04 × 140,486.16
  4. Step 4: Simplify right side
    148,534.32x = 31,083,692,408.73
  5. Step 5: Solve for x
    x = 31,083,692,408.73/148,534.32
  6. Step 6: Final answer
    x = 209,269.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.