Home / 210,302.56-315,134.66-154,180.04

Finding the Fourth Proportional to 210,302.56, 315,134.66 and 154,180.04

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Solution

The fourth proportional to 210,302.56, 315,134.66 and 154,180.04 is: 231,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,302.56 : 315,134.66 = 154,180.04 : x
  2. Step 2: Convert to fraction form
    210,302.56/315,134.66 = 154,180.04/x
  3. Step 3: Cross multiply
    210,302.56x = 315,134.66 × 154,180.04
  4. Step 4: Simplify right side
    210,302.56x = 48,587,474,484.19
  5. Step 5: Solve for x
    x = 48,587,474,484.19/210,302.56
  6. Step 6: Final answer
    x = 231,036.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.