Home / 137,550.36-189,902.32-89,883.48

Finding the Fourth Proportional to 137,550.36, 189,902.32 and 89,883.48

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Solution

The fourth proportional to 137,550.36, 189,902.32 and 89,883.48 is: 124,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,550.36 : 189,902.32 = 89,883.48 : x
  2. Step 2: Convert to fraction form
    137,550.36/189,902.32 = 89,883.48/x
  3. Step 3: Cross multiply
    137,550.36x = 189,902.32 × 89,883.48
  4. Step 4: Simplify right side
    137,550.36x = 17,069,081,381.67
  5. Step 5: Solve for x
    x = 17,069,081,381.67/137,550.36
  6. Step 6: Final answer
    x = 124,093.32

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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.