Home / 102,782.07-141,845.84-57,460.24

Finding the Fourth Proportional to 102,782.07, 141,845.84 and 57,460.24

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Solution

The fourth proportional to 102,782.07, 141,845.84 and 57,460.24 is: 79,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,782.07 : 141,845.84 = 57,460.24 : x
  2. Step 2: Convert to fraction form
    102,782.07/141,845.84 = 57,460.24/x
  3. Step 3: Cross multiply
    102,782.07x = 141,845.84 × 57,460.24
  4. Step 4: Simplify right side
    102,782.07x = 8,150,496,009.40
  5. Step 5: Solve for x
    x = 8,150,496,009.40/102,782.07
  6. Step 6: Final answer
    x = 79,298.81

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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.