Home / 108,439.40-162,659.10-46,231.40

Finding the Fourth Proportional to 108,439.40, 162,659.10 and 46,231.40

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Solution

The fourth proportional to 108,439.40, 162,659.10 and 46,231.40 is: 69,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,439.40 : 162,659.10 = 46,231.40 : x
  2. Step 2: Convert to fraction form
    108,439.40/162,659.10 = 46,231.40/x
  3. Step 3: Cross multiply
    108,439.40x = 162,659.10 × 46,231.40
  4. Step 4: Simplify right side
    108,439.40x = 7,519,957,915.74
  5. Step 5: Solve for x
    x = 7,519,957,915.74/108,439.40
  6. Step 6: Final answer
    x = 69,347.10

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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.