Home / 94,772.40-142,312.20-68,660.40

Finding the Fourth Proportional to 94,772.40, 142,312.20 and 68,660.40

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Solution

The fourth proportional to 94,772.40, 142,312.20 and 68,660.40 is: 103,101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,772.40 : 142,312.20 = 68,660.40 : x
  2. Step 2: Convert to fraction form
    94,772.40/142,312.20 = 68,660.40/x
  3. Step 3: Cross multiply
    94,772.40x = 142,312.20 × 68,660.40
  4. Step 4: Simplify right side
    94,772.40x = 9,771,212,576.88
  5. Step 5: Solve for x
    x = 9,771,212,576.88/94,772.40
  6. Step 6: Final answer
    x = 103,101.88

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1.5x scale

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.