Home / 243,742.04-336,381.18-136,322.10

Finding the Fourth Proportional to 243,742.04, 336,381.18 and 136,322.10

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Solution

The fourth proportional to 243,742.04, 336,381.18 and 136,322.10 is: 188,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,742.04 : 336,381.18 = 136,322.10 : x
  2. Step 2: Convert to fraction form
    243,742.04/336,381.18 = 136,322.10/x
  3. Step 3: Cross multiply
    243,742.04x = 336,381.18 × 136,322.10
  4. Step 4: Simplify right side
    243,742.04x = 45,856,188,858.08
  5. Step 5: Solve for x
    x = 45,856,188,858.08/243,742.04
  6. Step 6: Final answer
    x = 188,134.10

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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.