Home / 134,475.60-185,438.80-89,137.84

Finding the Fourth Proportional to 134,475.60, 185,438.80 and 89,137.84

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Solution

The fourth proportional to 134,475.60, 185,438.80 and 89,137.84 is: 122,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,475.60 : 185,438.80 = 89,137.84 : x
  2. Step 2: Convert to fraction form
    134,475.60/185,438.80 = 89,137.84/x
  3. Step 3: Cross multiply
    134,475.60x = 185,438.80 × 89,137.84
  4. Step 4: Simplify right side
    134,475.60x = 16,529,614,084.19
  5. Step 5: Solve for x
    x = 16,529,614,084.19/134,475.60
  6. Step 6: Final answer
    x = 122,919.06

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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.