Home / 105,238.44-145,229.56-57,492.59

Finding the Fourth Proportional to 105,238.44, 145,229.56 and 57,492.59

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Solution

The fourth proportional to 105,238.44, 145,229.56 and 57,492.59 is: 79,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,238.44 : 145,229.56 = 57,492.59 : x
  2. Step 2: Convert to fraction form
    105,238.44/145,229.56 = 57,492.59/x
  3. Step 3: Cross multiply
    105,238.44x = 145,229.56 × 57,492.59
  4. Step 4: Simplify right side
    105,238.44x = 8,349,622,679.08
  5. Step 5: Solve for x
    x = 8,349,622,679.08/105,238.44
  6. Step 6: Final answer
    x = 79,340.05

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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.