Home / 134,341.98-185,385.15-80,616.30

Finding the Fourth Proportional to 134,341.98, 185,385.15 and 80,616.30

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Solution

The fourth proportional to 134,341.98, 185,385.15 and 80,616.30 is: 111,246.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,341.98 : 185,385.15 = 80,616.30 : x
  2. Step 2: Convert to fraction form
    134,341.98/185,385.15 = 80,616.30/x
  3. Step 3: Cross multiply
    134,341.98x = 185,385.15 × 80,616.30
  4. Step 4: Simplify right side
    134,341.98x = 14,945,064,867.95
  5. Step 5: Solve for x
    x = 14,945,064,867.95/134,341.98
  6. Step 6: Final answer
    x = 111,246.42

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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.