Home / 130,895.48-180,630.92-79,993.38

Finding the Fourth Proportional to 130,895.48, 180,630.92 and 79,993.38

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Solution

The fourth proportional to 130,895.48, 180,630.92 and 79,993.38 is: 110,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,895.48 : 180,630.92 = 79,993.38 : x
  2. Step 2: Convert to fraction form
    130,895.48/180,630.92 = 79,993.38/x
  3. Step 3: Cross multiply
    130,895.48x = 180,630.92 × 79,993.38
  4. Step 4: Simplify right side
    130,895.48x = 14,449,277,823.31
  5. Step 5: Solve for x
    x = 14,449,277,823.31/130,895.48
  6. Step 6: Final answer
    x = 110,387.91

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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.