Home / 137,116.48-189,210.72-75,850.56

Finding the Fourth Proportional to 137,116.48, 189,210.72 and 75,850.56

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Solution

The fourth proportional to 137,116.48, 189,210.72 and 75,850.56 is: 104,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,116.48 : 189,210.72 = 75,850.56 : x
  2. Step 2: Convert to fraction form
    137,116.48/189,210.72 = 75,850.56/x
  3. Step 3: Cross multiply
    137,116.48x = 189,210.72 × 75,850.56
  4. Step 4: Simplify right side
    137,116.48x = 14,351,739,070.00
  5. Step 5: Solve for x
    x = 14,351,739,070.00/137,116.48
  6. Step 6: Final answer
    x = 104,668.23

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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.