Home / 124,310.37-171,560.70-75,909.63

Finding the Fourth Proportional to 124,310.37, 171,560.70 and 75,909.63

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Solution

The fourth proportional to 124,310.37, 171,560.70 and 75,909.63 is: 104,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,310.37 : 171,560.70 = 75,909.63 : x
  2. Step 2: Convert to fraction form
    124,310.37/171,560.70 = 75,909.63/x
  3. Step 3: Cross multiply
    124,310.37x = 171,560.70 × 75,909.63
  4. Step 4: Simplify right side
    124,310.37x = 13,023,109,259.54
  5. Step 5: Solve for x
    x = 13,023,109,259.54/124,310.37
  6. Step 6: Final answer
    x = 104,762.85

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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.