Home / 137,527.85-189,828.77-89,788.34

Finding the Fourth Proportional to 137,527.85, 189,828.77 and 89,788.34

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Solution

The fourth proportional to 137,527.85, 189,828.77 and 89,788.34 is: 123,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,527.85 : 189,828.77 = 89,788.34 : x
  2. Step 2: Convert to fraction form
    137,527.85/189,828.77 = 89,788.34/x
  3. Step 3: Cross multiply
    137,527.85x = 189,828.77 × 89,788.34
  4. Step 4: Simplify right side
    137,527.85x = 17,044,410,142.54
  5. Step 5: Solve for x
    x = 17,044,410,142.54/137,527.85
  6. Step 6: Final answer
    x = 123,934.24

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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.