Home / 136,357.21-204,549.81-52,188.18

Finding the Fourth Proportional to 136,357.21, 204,549.81 and 52,188.18

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Solution

The fourth proportional to 136,357.21, 204,549.81 and 52,188.18 is: 78,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,357.21 : 204,549.81 = 52,188.18 : x
  2. Step 2: Convert to fraction form
    136,357.21/204,549.81 = 52,188.18/x
  3. Step 3: Cross multiply
    136,357.21x = 204,549.81 × 52,188.18
  4. Step 4: Simplify right side
    136,357.21x = 10,675,082,303.25
  5. Step 5: Solve for x
    x = 10,675,082,303.25/136,357.21
  6. Step 6: Final answer
    x = 78,287.63

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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.