Home / 102,494.24-141,435.60-57,178.88

Finding the Fourth Proportional to 102,494.24, 141,435.60 and 57,178.88

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Solution

The fourth proportional to 102,494.24, 141,435.60 and 57,178.88 is: 78,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,494.24 : 141,435.60 = 57,178.88 : x
  2. Step 2: Convert to fraction form
    102,494.24/141,435.60 = 57,178.88/x
  3. Step 3: Cross multiply
    102,494.24x = 141,435.60 × 57,178.88
  4. Step 4: Simplify right side
    102,494.24x = 8,087,129,200.13
  5. Step 5: Solve for x
    x = 8,087,129,200.13/102,494.24
  6. Step 6: Final answer
    x = 78,903.26

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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.