Home / 134,560.64-185,692.70-80,875.26

Finding the Fourth Proportional to 134,560.64, 185,692.70 and 80,875.26

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Solution

The fourth proportional to 134,560.64, 185,692.70 and 80,875.26 is: 111,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,560.64 : 185,692.70 = 80,875.26 : x
  2. Step 2: Convert to fraction form
    134,560.64/185,692.70 = 80,875.26/x
  3. Step 3: Cross multiply
    134,560.64x = 185,692.70 × 80,875.26
  4. Step 4: Simplify right side
    134,560.64x = 15,017,945,594.79
  5. Step 5: Solve for x
    x = 15,017,945,594.79/134,560.64
  6. Step 6: Final answer
    x = 111,607.27

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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.