Home / 152,477.28-228,667.44-142,526.64

Finding the Fourth Proportional to 152,477.28, 228,667.44 and 142,526.64

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Solution

The fourth proportional to 152,477.28, 228,667.44 and 142,526.64 is: 213,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,477.28 : 228,667.44 = 142,526.64 : x
  2. Step 2: Convert to fraction form
    152,477.28/228,667.44 = 142,526.64/x
  3. Step 3: Cross multiply
    152,477.28x = 228,667.44 × 142,526.64
  4. Step 4: Simplify right side
    152,477.28x = 32,591,201,900.60
  5. Step 5: Solve for x
    x = 32,591,201,900.60/152,477.28
  6. Step 6: Final answer
    x = 213,744.64

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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.