Home / 92,440.02-138,725.64-42,576.42

Finding the Fourth Proportional to 92,440.02, 138,725.64 and 42,576.42

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Solution

The fourth proportional to 92,440.02, 138,725.64 and 42,576.42 is: 63,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,440.02 : 138,725.64 = 42,576.42 : x
  2. Step 2: Convert to fraction form
    92,440.02/138,725.64 = 42,576.42/x
  3. Step 3: Cross multiply
    92,440.02x = 138,725.64 × 42,576.42
  4. Step 4: Simplify right side
    92,440.02x = 5,906,441,113.41
  5. Step 5: Solve for x
    x = 5,906,441,113.41/92,440.02
  6. Step 6: Final answer
    x = 63,894.85

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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.