Home / 131,587.60-197,154.60-61,322.80

Finding the Fourth Proportional to 131,587.60, 197,154.60 and 61,322.80

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Solution

The fourth proportional to 131,587.60, 197,154.60 and 61,322.80 is: 91,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,587.60 : 197,154.60 = 61,322.80 : x
  2. Step 2: Convert to fraction form
    131,587.60/197,154.60 = 61,322.80/x
  3. Step 3: Cross multiply
    131,587.60x = 197,154.60 × 61,322.80
  4. Step 4: Simplify right side
    131,587.60x = 12,090,072,104.88
  5. Step 5: Solve for x
    x = 12,090,072,104.88/131,587.60
  6. Step 6: Final answer
    x = 91,878.51

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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.