Home / 129,984.13-194,976.20-46,878.13

Finding the Fourth Proportional to 129,984.13, 194,976.20 and 46,878.13

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Solution

The fourth proportional to 129,984.13, 194,976.20 and 46,878.13 is: 70,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,984.13 : 194,976.20 = 46,878.13 : x
  2. Step 2: Convert to fraction form
    129,984.13/194,976.20 = 46,878.13/x
  3. Step 3: Cross multiply
    129,984.13x = 194,976.20 × 46,878.13
  4. Step 4: Simplify right side
    129,984.13x = 9,140,119,650.51
  5. Step 5: Solve for x
    x = 9,140,119,650.51/129,984.13
  6. Step 6: Final answer
    x = 70,317.20

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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.