Home / 103,035.58-142,190.90-57,713.18

Finding the Fourth Proportional to 103,035.58, 142,190.90 and 57,713.18

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Solution

The fourth proportional to 103,035.58, 142,190.90 and 57,713.18 is: 79,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,035.58 : 142,190.90 = 57,713.18 : x
  2. Step 2: Convert to fraction form
    103,035.58/142,190.90 = 57,713.18/x
  3. Step 3: Cross multiply
    103,035.58x = 142,190.90 × 57,713.18
  4. Step 4: Simplify right side
    103,035.58x = 8,206,289,006.06
  5. Step 5: Solve for x
    x = 8,206,289,006.06/103,035.58
  6. Step 6: Final answer
    x = 79,645.20

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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.