Home / 149,929.80-224,968-65,678.46

Finding the Fourth Proportional to 149,929.80, 224,968 and 65,678.46

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Solution

The fourth proportional to 149,929.80, 224,968 and 65,678.46 is: 98,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,929.80 : 224,968 = 65,678.46 : x
  2. Step 2: Convert to fraction form
    149,929.80/224,968 = 65,678.46/x
  3. Step 3: Cross multiply
    149,929.80x = 224,968 × 65,678.46
  4. Step 4: Simplify right side
    149,929.80x = 14,775,551,789.28
  5. Step 5: Solve for x
    x = 14,775,551,789.28/149,929.80
  6. Step 6: Final answer
    x = 98,549.80

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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.