Home / 149,973.55-224,914.88-78,857.87

Finding the Fourth Proportional to 149,973.55, 224,914.88 and 78,857.87

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Solution

The fourth proportional to 149,973.55, 224,914.88 and 78,857.87 is: 118,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,973.55 : 224,914.88 = 78,857.87 : x
  2. Step 2: Convert to fraction form
    149,973.55/224,914.88 = 78,857.87/x
  3. Step 3: Cross multiply
    149,973.55x = 224,914.88 × 78,857.87
  4. Step 4: Simplify right side
    149,973.55x = 17,736,307,243.53
  5. Step 5: Solve for x
    x = 17,736,307,243.53/149,973.55
  6. Step 6: Final answer
    x = 118,262.90

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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.