Home / 243,132.84-335,555.04-135,725.16

Finding the Fourth Proportional to 243,132.84, 335,555.04 and 135,725.16

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Solution

The fourth proportional to 243,132.84, 335,555.04 and 135,725.16 is: 187,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,132.84 : 335,555.04 = 135,725.16 : x
  2. Step 2: Convert to fraction form
    243,132.84/335,555.04 = 135,725.16/x
  3. Step 3: Cross multiply
    243,132.84x = 335,555.04 × 135,725.16
  4. Step 4: Simplify right side
    243,132.84x = 45,543,261,492.81
  5. Step 5: Solve for x
    x = 45,543,261,492.81/243,132.84
  6. Step 6: Final answer
    x = 187,318.43

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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.