Home / 102,738.06-141,775.71-57,416.24

Finding the Fourth Proportional to 102,738.06, 141,775.71 and 57,416.24

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Solution

The fourth proportional to 102,738.06, 141,775.71 and 57,416.24 is: 79,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,738.06 : 141,775.71 = 57,416.24 : x
  2. Step 2: Convert to fraction form
    102,738.06/141,775.71 = 57,416.24/x
  3. Step 3: Cross multiply
    102,738.06x = 141,775.71 × 57,416.24
  4. Step 4: Simplify right side
    102,738.06x = 8,140,228,191.53
  5. Step 5: Solve for x
    x = 8,140,228,191.53/102,738.06
  6. Step 6: Final answer
    x = 79,232.84

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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.