Home / 134,241.60-185,238.96-77,641.92

Finding the Fourth Proportional to 134,241.60, 185,238.96 and 77,641.92

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Solution

The fourth proportional to 134,241.60, 185,238.96 and 77,641.92 is: 107,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,241.60 : 185,238.96 = 77,641.92 : x
  2. Step 2: Convert to fraction form
    134,241.60/185,238.96 = 77,641.92/x
  3. Step 3: Cross multiply
    134,241.60x = 185,238.96 × 77,641.92
  4. Step 4: Simplify right side
    134,241.60x = 14,382,308,513.20
  5. Step 5: Solve for x
    x = 14,382,308,513.20/134,241.60
  6. Step 6: Final answer
    x = 107,137.49

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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.