Home / 103,562.85-142,915.36-58,240.82

Finding the Fourth Proportional to 103,562.85, 142,915.36 and 58,240.82

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Solution

The fourth proportional to 103,562.85, 142,915.36 and 58,240.82 is: 80,371.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,562.85 : 142,915.36 = 58,240.82 : x
  2. Step 2: Convert to fraction form
    103,562.85/142,915.36 = 58,240.82/x
  3. Step 3: Cross multiply
    103,562.85x = 142,915.36 × 58,240.82
  4. Step 4: Simplify right side
    103,562.85x = 8,323,507,757.00
  5. Step 5: Solve for x
    x = 8,323,507,757.00/103,562.85
  6. Step 6: Final answer
    x = 80,371.56

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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.