Home / 243,175.27-335,522.77-142,553.83

Finding the Fourth Proportional to 243,175.27, 335,522.77 and 142,553.83

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Solution

The fourth proportional to 243,175.27, 335,522.77 and 142,553.83 is: 196,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,175.27 : 335,522.77 = 142,553.83 : x
  2. Step 2: Convert to fraction form
    243,175.27/335,522.77 = 142,553.83/x
  3. Step 3: Cross multiply
    243,175.27x = 335,522.77 × 142,553.83
  4. Step 4: Simplify right side
    243,175.27x = 47,830,055,915.71
  5. Step 5: Solve for x
    x = 47,830,055,915.71/243,175.27
  6. Step 6: Final answer
    x = 196,689.64

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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.