Home / 130,488.09-195,732.15-31,992.09

Finding the Fourth Proportional to 130,488.09, 195,732.15 and 31,992.09

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Solution

The fourth proportional to 130,488.09, 195,732.15 and 31,992.09 is: 47,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,488.09 : 195,732.15 = 31,992.09 : x
  2. Step 2: Convert to fraction form
    130,488.09/195,732.15 = 31,992.09/x
  3. Step 3: Cross multiply
    130,488.09x = 195,732.15 × 31,992.09
  4. Step 4: Simplify right side
    130,488.09x = 6,261,880,558.69
  5. Step 5: Solve for x
    x = 6,261,880,558.69/130,488.09
  6. Step 6: Final answer
    x = 47,988.14

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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.