Home / 129,715.60-194,429.40-50,803.60

Finding the Fourth Proportional to 129,715.60, 194,429.40 and 50,803.60

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Solution

The fourth proportional to 129,715.60, 194,429.40 and 50,803.60 is: 76,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,715.60 : 194,429.40 = 50,803.60 : x
  2. Step 2: Convert to fraction form
    129,715.60/194,429.40 = 50,803.60/x
  3. Step 3: Cross multiply
    129,715.60x = 194,429.40 × 50,803.60
  4. Step 4: Simplify right side
    129,715.60x = 9,877,713,465.84
  5. Step 5: Solve for x
    x = 9,877,713,465.84/129,715.60
  6. Step 6: Final answer
    x = 76,149.00

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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.