Home / 147,512.79-221,071.50-138,064.95

Finding the Fourth Proportional to 147,512.79, 221,071.50 and 138,064.95

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Solution

The fourth proportional to 147,512.79, 221,071.50 and 138,064.95 is: 206,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,512.79 : 221,071.50 = 138,064.95 : x
  2. Step 2: Convert to fraction form
    147,512.79/221,071.50 = 138,064.95/x
  3. Step 3: Cross multiply
    147,512.79x = 221,071.50 × 138,064.95
  4. Step 4: Simplify right side
    147,512.79x = 30,522,225,593.93
  5. Step 5: Solve for x
    x = 30,522,225,593.93/147,512.79
  6. Step 6: Final answer
    x = 206,912.40

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1.5x scale

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.