Home / 145,836.72-201,280.14-92,104.56

Finding the Fourth Proportional to 145,836.72, 201,280.14 and 92,104.56

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Solution

The fourth proportional to 145,836.72, 201,280.14 and 92,104.56 is: 127,120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,836.72 : 201,280.14 = 92,104.56 : x
  2. Step 2: Convert to fraction form
    145,836.72/201,280.14 = 92,104.56/x
  3. Step 3: Cross multiply
    145,836.72x = 201,280.14 × 92,104.56
  4. Step 4: Simplify right side
    145,836.72x = 18,538,818,731.44
  5. Step 5: Solve for x
    x = 18,538,818,731.44/145,836.72
  6. Step 6: Final answer
    x = 127,120.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.