Home / 137,356.20-189,523.53-76,917.24

Finding the Fourth Proportional to 137,356.20, 189,523.53 and 76,917.24

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Solution

The fourth proportional to 137,356.20, 189,523.53 and 76,917.24 is: 106,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,356.20 : 189,523.53 = 76,917.24 : x
  2. Step 2: Convert to fraction form
    137,356.20/189,523.53 = 76,917.24/x
  3. Step 3: Cross multiply
    137,356.20x = 189,523.53 × 76,917.24
  4. Step 4: Simplify right side
    137,356.20x = 14,577,626,842.66
  5. Step 5: Solve for x
    x = 14,577,626,842.66/137,356.20
  6. Step 6: Final answer
    x = 106,130.10

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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.