Home / 149,871.10-224,741.85-74,962.30

Finding the Fourth Proportional to 149,871.10, 224,741.85 and 74,962.30

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Solution

The fourth proportional to 149,871.10, 224,741.85 and 74,962.30 is: 112,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,871.10 : 224,741.85 = 74,962.30 : x
  2. Step 2: Convert to fraction form
    149,871.10/224,741.85 = 74,962.30/x
  3. Step 3: Cross multiply
    149,871.10x = 224,741.85 × 74,962.30
  4. Step 4: Simplify right side
    149,871.10x = 16,847,165,982.26
  5. Step 5: Solve for x
    x = 16,847,165,982.26/149,871.10
  6. Step 6: Final answer
    x = 112,411.04

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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.