Home / 108,258.40-162,301.20-45,877.60

Finding the Fourth Proportional to 108,258.40, 162,301.20 and 45,877.60

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Solution

The fourth proportional to 108,258.40, 162,301.20 and 45,877.60 is: 68,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,258.40 : 162,301.20 = 45,877.60 : x
  2. Step 2: Convert to fraction form
    108,258.40/162,301.20 = 45,877.60/x
  3. Step 3: Cross multiply
    108,258.40x = 162,301.20 × 45,877.60
  4. Step 4: Simplify right side
    108,258.40x = 7,445,989,533.12
  5. Step 5: Solve for x
    x = 7,445,989,533.12/108,258.40
  6. Step 6: Final answer
    x = 68,779.79

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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.