Home / 195,619.20-293,428.80-70,915.20

Finding the Fourth Proportional to 195,619.20, 293,428.80 and 70,915.20

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Solution

The fourth proportional to 195,619.20, 293,428.80 and 70,915.20 is: 106,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,619.20 : 293,428.80 = 70,915.20 : x
  2. Step 2: Convert to fraction form
    195,619.20/293,428.80 = 70,915.20/x
  3. Step 3: Cross multiply
    195,619.20x = 293,428.80 × 70,915.20
  4. Step 4: Simplify right side
    195,619.20x = 20,808,562,037.76
  5. Step 5: Solve for x
    x = 20,808,562,037.76/195,619.20
  6. Step 6: Final answer
    x = 106,372.80

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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.