Home / 119,711.29-179,527.86-39,727.77

Finding the Fourth Proportional to 119,711.29, 179,527.86 and 39,727.77

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Solution

The fourth proportional to 119,711.29, 179,527.86 and 39,727.77 is: 59,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,711.29 : 179,527.86 = 39,727.77 : x
  2. Step 2: Convert to fraction form
    119,711.29/179,527.86 = 39,727.77/x
  3. Step 3: Cross multiply
    119,711.29x = 179,527.86 × 39,727.77
  4. Step 4: Simplify right side
    119,711.29x = 7,132,241,332.03
  5. Step 5: Solve for x
    x = 7,132,241,332.03/119,711.29
  6. Step 6: Final answer
    x = 59,578.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.