Home / 134,771.01-186,043.77-87,047.64

Finding the Fourth Proportional to 134,771.01, 186,043.77 and 87,047.64

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Solution

The fourth proportional to 134,771.01, 186,043.77 and 87,047.64 is: 120,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,771.01 : 186,043.77 = 87,047.64 : x
  2. Step 2: Convert to fraction form
    134,771.01/186,043.77 = 87,047.64/x
  3. Step 3: Cross multiply
    134,771.01x = 186,043.77 × 87,047.64
  4. Step 4: Simplify right side
    134,771.01x = 16,194,671,115.20
  5. Step 5: Solve for x
    x = 16,194,671,115.20/134,771.01
  6. Step 6: Final answer
    x = 120,164.35

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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.