Home / 243,735.68-336,215.04-143,114.24

Finding the Fourth Proportional to 243,735.68, 336,215.04 and 143,114.24

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Solution

The fourth proportional to 243,735.68, 336,215.04 and 143,114.24 is: 197,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,735.68 : 336,215.04 = 143,114.24 : x
  2. Step 2: Convert to fraction form
    243,735.68/336,215.04 = 143,114.24/x
  3. Step 3: Cross multiply
    243,735.68x = 336,215.04 × 143,114.24
  4. Step 4: Simplify right side
    243,735.68x = 48,117,159,926.17
  5. Step 5: Solve for x
    x = 48,117,159,926.17/243,735.68
  6. Step 6: Final answer
    x = 197,415.33

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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.