Home / 144,875.40-217,313.10-99,774.60

Finding the Fourth Proportional to 144,875.40, 217,313.10 and 99,774.60

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Solution

The fourth proportional to 144,875.40, 217,313.10 and 99,774.60 is: 149,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,875.40 : 217,313.10 = 99,774.60 : x
  2. Step 2: Convert to fraction form
    144,875.40/217,313.10 = 99,774.60/x
  3. Step 3: Cross multiply
    144,875.40x = 217,313.10 × 99,774.60
  4. Step 4: Simplify right side
    144,875.40x = 21,682,327,627.26
  5. Step 5: Solve for x
    x = 21,682,327,627.26/144,875.40
  6. Step 6: Final answer
    x = 149,661.90

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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.