Home / 188,412.26-260,008.85-103,534.79

Finding the Fourth Proportional to 188,412.26, 260,008.85 and 103,534.79

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Solution

The fourth proportional to 188,412.26, 260,008.85 and 103,534.79 is: 142,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,412.26 : 260,008.85 = 103,534.79 : x
  2. Step 2: Convert to fraction form
    188,412.26/260,008.85 = 103,534.79/x
  3. Step 3: Cross multiply
    188,412.26x = 260,008.85 × 103,534.79
  4. Step 4: Simplify right side
    188,412.26x = 26,919,960,641.68
  5. Step 5: Solve for x
    x = 26,919,960,641.68/188,412.26
  6. Step 6: Final answer
    x = 142,877.97

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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.