Home / 149,920.02-224,942.36-65,636.78

Finding the Fourth Proportional to 149,920.02, 224,942.36 and 65,636.78

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Solution

The fourth proportional to 149,920.02, 224,942.36 and 65,636.78 is: 98,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,920.02 : 224,942.36 = 65,636.78 : x
  2. Step 2: Convert to fraction form
    149,920.02/224,942.36 = 65,636.78/x
  3. Step 3: Cross multiply
    149,920.02x = 224,942.36 × 65,636.78
  4. Step 4: Simplify right side
    149,920.02x = 14,764,490,743.11
  5. Step 5: Solve for x
    x = 14,764,490,743.11/149,920.02
  6. Step 6: Final answer
    x = 98,482.45

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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.