Home / 345,056.49-517,636.98-108,376.92

Finding the Fourth Proportional to 345,056.49, 517,636.98 and 108,376.92

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Solution

The fourth proportional to 345,056.49, 517,636.98 and 108,376.92 is: 162,581.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,056.49 : 517,636.98 = 108,376.92 : x
  2. Step 2: Convert to fraction form
    345,056.49/517,636.98 = 108,376.92/x
  3. Step 3: Cross multiply
    345,056.49x = 517,636.98 × 108,376.92
  4. Step 4: Simplify right side
    345,056.49x = 56,099,901,570.50
  5. Step 5: Solve for x
    x = 56,099,901,570.50/345,056.49
  6. Step 6: Final answer
    x = 162,581.79

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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.