Home / 134,236.40-201,124.20-87,465.20

Finding the Fourth Proportional to 134,236.40, 201,124.20 and 87,465.20

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Solution

The fourth proportional to 134,236.40, 201,124.20 and 87,465.20 is: 131,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,236.40 : 201,124.20 = 87,465.20 : x
  2. Step 2: Convert to fraction form
    134,236.40/201,124.20 = 87,465.20/x
  3. Step 3: Cross multiply
    134,236.40x = 201,124.20 × 87,465.20
  4. Step 4: Simplify right side
    134,236.40x = 17,591,368,377.84
  5. Step 5: Solve for x
    x = 17,591,368,377.84/134,236.40
  6. Step 6: Final answer
    x = 131,047.68

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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.