Home / 130,604.76-180,596.34-103,699.80

Finding the Fourth Proportional to 130,604.76, 180,596.34 and 103,699.80

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Solution

The fourth proportional to 130,604.76, 180,596.34 and 103,699.80 is: 143,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,604.76 : 180,596.34 = 103,699.80 : x
  2. Step 2: Convert to fraction form
    130,604.76/180,596.34 = 103,699.80/x
  3. Step 3: Cross multiply
    130,604.76x = 180,596.34 × 103,699.80
  4. Step 4: Simplify right side
    130,604.76x = 18,727,804,338.73
  5. Step 5: Solve for x
    x = 18,727,804,338.73/130,604.76
  6. Step 6: Final answer
    x = 143,392.97

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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.