Home / 107,716.76-148,657.02-77,092.73

Finding the Fourth Proportional to 107,716.76, 148,657.02 and 77,092.73

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Solution

The fourth proportional to 107,716.76, 148,657.02 and 77,092.73 is: 106,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,716.76 : 148,657.02 = 77,092.73 : x
  2. Step 2: Convert to fraction form
    107,716.76/148,657.02 = 77,092.73/x
  3. Step 3: Cross multiply
    107,716.76x = 148,657.02 × 77,092.73
  4. Step 4: Simplify right side
    107,716.76x = 11,460,374,762.18
  5. Step 5: Solve for x
    x = 11,460,374,762.18/107,716.76
  6. Step 6: Final answer
    x = 106,393.61

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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.