Home / 120,294.02-180,414.70-40,343.24

Finding the Fourth Proportional to 120,294.02, 180,414.70 and 40,343.24

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Solution

The fourth proportional to 120,294.02, 180,414.70 and 40,343.24 is: 60,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,294.02 : 180,414.70 = 40,343.24 : x
  2. Step 2: Convert to fraction form
    120,294.02/180,414.70 = 40,343.24/x
  3. Step 3: Cross multiply
    120,294.02x = 180,414.70 × 40,343.24
  4. Step 4: Simplify right side
    120,294.02x = 7,278,513,541.63
  5. Step 5: Solve for x
    x = 7,278,513,541.63/120,294.02
  6. Step 6: Final answer
    x = 60,506.03

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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.