Home / 148,142.36-204,434.93-80,157.84

Finding the Fourth Proportional to 148,142.36, 204,434.93 and 80,157.84

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Solution

The fourth proportional to 148,142.36, 204,434.93 and 80,157.84 is: 110,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,142.36 : 204,434.93 = 80,157.84 : x
  2. Step 2: Convert to fraction form
    148,142.36/204,434.93 = 80,157.84/x
  3. Step 3: Cross multiply
    148,142.36x = 204,434.93 × 80,157.84
  4. Step 4: Simplify right side
    148,142.36x = 16,387,060,986.39
  5. Step 5: Solve for x
    x = 16,387,060,986.39/148,142.36
  6. Step 6: Final answer
    x = 110,616.98

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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.