Home / 108,421.62-162,647.55-49,272.18

Finding the Fourth Proportional to 108,421.62, 162,647.55 and 49,272.18

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Solution

The fourth proportional to 108,421.62, 162,647.55 and 49,272.18 is: 73,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,421.62 : 162,647.55 = 49,272.18 : x
  2. Step 2: Convert to fraction form
    108,421.62/162,647.55 = 49,272.18/x
  3. Step 3: Cross multiply
    108,421.62x = 162,647.55 × 49,272.18
  4. Step 4: Simplify right side
    108,421.62x = 8,013,999,360.16
  5. Step 5: Solve for x
    x = 8,013,999,360.16/108,421.62
  6. Step 6: Final answer
    x = 73,915.14

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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.