Home / 142,244.55-196,289.60-88,527.87

Finding the Fourth Proportional to 142,244.55, 196,289.60 and 88,527.87

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Solution

The fourth proportional to 142,244.55, 196,289.60 and 88,527.87 is: 122,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,244.55 : 196,289.60 = 88,527.87 : x
  2. Step 2: Convert to fraction form
    142,244.55/196,289.60 = 88,527.87/x
  3. Step 3: Cross multiply
    142,244.55x = 196,289.60 × 88,527.87
  4. Step 4: Simplify right side
    142,244.55x = 17,377,099,748.51
  5. Step 5: Solve for x
    x = 17,377,099,748.51/142,244.55
  6. Step 6: Final answer
    x = 122,163.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.