Home / 131,790.39-197,685.59-31,950.58

Finding the Fourth Proportional to 131,790.39, 197,685.59 and 31,950.58

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Solution

The fourth proportional to 131,790.39, 197,685.59 and 31,950.58 is: 47,925.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,790.39 : 197,685.59 = 31,950.58 : x
  2. Step 2: Convert to fraction form
    131,790.39/197,685.59 = 31,950.58/x
  3. Step 3: Cross multiply
    131,790.39x = 197,685.59 × 31,950.58
  4. Step 4: Simplify right side
    131,790.39x = 6,316,169,620.69
  5. Step 5: Solve for x
    x = 6,316,169,620.69/131,790.39
  6. Step 6: Final answer
    x = 47,925.87

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1.5x scale

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.