Home / 108,266.20-162,399.30-70,941.40

Finding the Fourth Proportional to 108,266.20, 162,399.30 and 70,941.40

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Solution

The fourth proportional to 108,266.20, 162,399.30 and 70,941.40 is: 106,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,266.20 : 162,399.30 = 70,941.40 : x
  2. Step 2: Convert to fraction form
    108,266.20/162,399.30 = 70,941.40/x
  3. Step 3: Cross multiply
    108,266.20x = 162,399.30 × 70,941.40
  4. Step 4: Simplify right side
    108,266.20x = 11,520,833,701.02
  5. Step 5: Solve for x
    x = 11,520,833,701.02/108,266.20
  6. Step 6: Final answer
    x = 106,412.10

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1.5x scale

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.