Home / 112,609.74-155,376.78-67,280.93

Finding the Fourth Proportional to 112,609.74, 155,376.78 and 67,280.93

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Solution

The fourth proportional to 112,609.74, 155,376.78 and 67,280.93 is: 92,832.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,609.74 : 155,376.78 = 67,280.93 : x
  2. Step 2: Convert to fraction form
    112,609.74/155,376.78 = 67,280.93/x
  3. Step 3: Cross multiply
    112,609.74x = 155,376.78 × 67,280.93
  4. Step 4: Simplify right side
    112,609.74x = 10,453,893,481.92
  5. Step 5: Solve for x
    x = 10,453,893,481.92/112,609.74
  6. Step 6: Final answer
    x = 92,832.94

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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.