Home / 272,842.81-376,527.08-158,129.93

Finding the Fourth Proportional to 272,842.81, 376,527.08 and 158,129.93

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Solution

The fourth proportional to 272,842.81, 376,527.08 and 158,129.93 is: 218,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,842.81 : 376,527.08 = 158,129.93 : x
  2. Step 2: Convert to fraction form
    272,842.81/376,527.08 = 158,129.93/x
  3. Step 3: Cross multiply
    272,842.81x = 376,527.08 × 158,129.93
  4. Step 4: Simplify right side
    272,842.81x = 59,540,200,803.50
  5. Step 5: Solve for x
    x = 59,540,200,803.50/272,842.81
  6. Step 6: Final answer
    x = 218,221.62

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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.