Home / 94,943.60-142,415.40-82,655.60

Finding the Fourth Proportional to 94,943.60, 142,415.40 and 82,655.60

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Solution

The fourth proportional to 94,943.60, 142,415.40 and 82,655.60 is: 123,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,943.60 : 142,415.40 = 82,655.60 : x
  2. Step 2: Convert to fraction form
    94,943.60/142,415.40 = 82,655.60/x
  3. Step 3: Cross multiply
    94,943.60x = 142,415.40 × 82,655.60
  4. Step 4: Simplify right side
    94,943.60x = 11,771,430,336.24
  5. Step 5: Solve for x
    x = 11,771,430,336.24/94,943.60
  6. Step 6: Final answer
    x = 123,983.40

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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.