Home / 188,412.39-260,006.18-103,527.63

Finding the Fourth Proportional to 188,412.39, 260,006.18 and 103,527.63

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Solution

The fourth proportional to 188,412.39, 260,006.18 and 103,527.63 is: 142,866.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,412.39 : 260,006.18 = 103,527.63 : x
  2. Step 2: Convert to fraction form
    188,412.39/260,006.18 = 103,527.63/x
  3. Step 3: Cross multiply
    188,412.39x = 260,006.18 × 103,527.63
  4. Step 4: Simplify right side
    188,412.39x = 26,917,823,600.75
  5. Step 5: Solve for x
    x = 26,917,823,600.75/188,412.39
  6. Step 6: Final answer
    x = 142,866.53

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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.