Home / 454,060.17-681,064.88-138,492.27

Finding the Fourth Proportional to 454,060.17, 681,064.88 and 138,492.27

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Solution

The fourth proportional to 454,060.17, 681,064.88 and 138,492.27 is: 207,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,060.17 : 681,064.88 = 138,492.27 : x
  2. Step 2: Convert to fraction form
    454,060.17/681,064.88 = 138,492.27/x
  3. Step 3: Cross multiply
    454,060.17x = 681,064.88 × 138,492.27
  4. Step 4: Simplify right side
    454,060.17x = 94,322,220,556.02
  5. Step 5: Solve for x
    x = 94,322,220,556.02/454,060.17
  6. Step 6: Final answer
    x = 207,730.66

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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.