Home / 149,811.60-224,814.60-86,631.60

Finding the Fourth Proportional to 149,811.60, 224,814.60 and 86,631.60

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Solution

The fourth proportional to 149,811.60, 224,814.60 and 86,631.60 is: 130,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,811.60 : 224,814.60 = 86,631.60 : x
  2. Step 2: Convert to fraction form
    149,811.60/224,814.60 = 86,631.60/x
  3. Step 3: Cross multiply
    149,811.60x = 224,814.60 × 86,631.60
  4. Step 4: Simplify right side
    149,811.60x = 19,476,048,501.36
  5. Step 5: Solve for x
    x = 19,476,048,501.36/149,811.60
  6. Step 6: Final answer
    x = 130,003.61

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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.