Home / 102,713.59-141,735.54-57,385.29

Finding the Fourth Proportional to 102,713.59, 141,735.54 and 57,385.29

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Solution

The fourth proportional to 102,713.59, 141,735.54 and 57,385.29 is: 79,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,713.59 : 141,735.54 = 57,385.29 : x
  2. Step 2: Convert to fraction form
    102,713.59/141,735.54 = 57,385.29/x
  3. Step 3: Cross multiply
    102,713.59x = 141,735.54 × 57,385.29
  4. Step 4: Simplify right side
    102,713.59x = 8,133,534,415.27
  5. Step 5: Solve for x
    x = 8,133,534,415.27/102,713.59
  6. Step 6: Final answer
    x = 79,186.54

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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.