Home / 108,541.20-162,811.80-75,298.80

Finding the Fourth Proportional to 108,541.20, 162,811.80 and 75,298.80

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Solution

The fourth proportional to 108,541.20, 162,811.80 and 75,298.80 is: 112,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,541.20 : 162,811.80 = 75,298.80 : x
  2. Step 2: Convert to fraction form
    108,541.20/162,811.80 = 75,298.80/x
  3. Step 3: Cross multiply
    108,541.20x = 162,811.80 × 75,298.80
  4. Step 4: Simplify right side
    108,541.20x = 12,259,533,165.84
  5. Step 5: Solve for x
    x = 12,259,533,165.84/108,541.20
  6. Step 6: Final answer
    x = 112,948.20

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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.