Home / 129,208.46-193,812.69-40,468.91

Finding the Fourth Proportional to 129,208.46, 193,812.69 and 40,468.91

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Solution

The fourth proportional to 129,208.46, 193,812.69 and 40,468.91 is: 60,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,208.46 : 193,812.69 = 40,468.91 : x
  2. Step 2: Convert to fraction form
    129,208.46/193,812.69 = 40,468.91/x
  3. Step 3: Cross multiply
    129,208.46x = 193,812.69 × 40,468.91
  4. Step 4: Simplify right side
    129,208.46x = 7,843,387,137.06
  5. Step 5: Solve for x
    x = 7,843,387,137.06/129,208.46
  6. Step 6: Final answer
    x = 60,703.36

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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.