Home / 112,780.50-169,170.43-50,407.26

Finding the Fourth Proportional to 112,780.50, 169,170.43 and 50,407.26

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Solution

The fourth proportional to 112,780.50, 169,170.43 and 50,407.26 is: 75,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,780.50 : 169,170.43 = 50,407.26 : x
  2. Step 2: Convert to fraction form
    112,780.50/169,170.43 = 50,407.26/x
  3. Step 3: Cross multiply
    112,780.50x = 169,170.43 × 50,407.26
  4. Step 4: Simplify right side
    112,780.50x = 8,527,417,849.32
  5. Step 5: Solve for x
    x = 8,527,417,849.32/112,780.50
  6. Step 6: Final answer
    x = 75,610.75

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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.