Home / 103,034.32-154,581-50,459.20

Finding the Fourth Proportional to 103,034.32, 154,581 and 50,459.20

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Solution

The fourth proportional to 103,034.32, 154,581 and 50,459.20 is: 75,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,034.32 : 154,581 = 50,459.20 : x
  2. Step 2: Convert to fraction form
    103,034.32/154,581 = 50,459.20/x
  3. Step 3: Cross multiply
    103,034.32x = 154,581 × 50,459.20
  4. Step 4: Simplify right side
    103,034.32x = 7,800,033,595.20
  5. Step 5: Solve for x
    x = 7,800,033,595.20/103,034.32
  6. Step 6: Final answer
    x = 75,703.26

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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.