Home / 454,096.86-681,143.40-138,552.72

Finding the Fourth Proportional to 454,096.86, 681,143.40 and 138,552.72

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Solution

The fourth proportional to 454,096.86, 681,143.40 and 138,552.72 is: 207,828.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,096.86 : 681,143.40 = 138,552.72 : x
  2. Step 2: Convert to fraction form
    454,096.86/681,143.40 = 138,552.72/x
  3. Step 3: Cross multiply
    454,096.86x = 681,143.40 × 138,552.72
  4. Step 4: Simplify right side
    454,096.86x = 94,374,270,780.05
  5. Step 5: Solve for x
    x = 94,374,270,780.05/454,096.86
  6. Step 6: Final answer
    x = 207,828.50

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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.