Home / 204,360.80-282,056.90-135,328.55

Finding the Fourth Proportional to 204,360.80, 282,056.90 and 135,328.55

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Solution

The fourth proportional to 204,360.80, 282,056.90 and 135,328.55 is: 186,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,360.80 : 282,056.90 = 135,328.55 : x
  2. Step 2: Convert to fraction form
    204,360.80/282,056.90 = 135,328.55/x
  3. Step 3: Cross multiply
    204,360.80x = 282,056.90 × 135,328.55
  4. Step 4: Simplify right side
    204,360.80x = 38,170,349,207.57
  5. Step 5: Solve for x
    x = 38,170,349,207.57/204,360.80
  6. Step 6: Final answer
    x = 186,779.22

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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.