Home / 105,526.20-158,154.90-43,126.20

Finding the Fourth Proportional to 105,526.20, 158,154.90 and 43,126.20

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Solution

The fourth proportional to 105,526.20, 158,154.90 and 43,126.20 is: 64,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,526.20 : 158,154.90 = 43,126.20 : x
  2. Step 2: Convert to fraction form
    105,526.20/158,154.90 = 43,126.20/x
  3. Step 3: Cross multiply
    105,526.20x = 158,154.90 × 43,126.20
  4. Step 4: Simplify right side
    105,526.20x = 6,820,619,848.38
  5. Step 5: Solve for x
    x = 6,820,619,848.38/105,526.20
  6. Step 6: Final answer
    x = 64,634.37

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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.