Home / 149,930.80-224,969.50-65,679.46

Finding the Fourth Proportional to 149,930.80, 224,969.50 and 65,679.46

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Solution

The fourth proportional to 149,930.80, 224,969.50 and 65,679.46 is: 98,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,930.80 : 224,969.50 = 65,679.46 : x
  2. Step 2: Convert to fraction form
    149,930.80/224,969.50 = 65,679.46/x
  3. Step 3: Cross multiply
    149,930.80x = 224,969.50 × 65,679.46
  4. Step 4: Simplify right side
    149,930.80x = 14,775,875,276.47
  5. Step 5: Solve for x
    x = 14,775,875,276.47/149,930.80
  6. Step 6: Final answer
    x = 98,551.30

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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.