Home / 123,931.03-171,010.94-70,204.54

Finding the Fourth Proportional to 123,931.03, 171,010.94 and 70,204.54

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Solution

The fourth proportional to 123,931.03, 171,010.94 and 70,204.54 is: 96,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,931.03 : 171,010.94 = 70,204.54 : x
  2. Step 2: Convert to fraction form
    123,931.03/171,010.94 = 70,204.54/x
  3. Step 3: Cross multiply
    123,931.03x = 171,010.94 × 70,204.54
  4. Step 4: Simplify right side
    123,931.03x = 12,005,744,377.67
  5. Step 5: Solve for x
    x = 12,005,744,377.67/123,931.03
  6. Step 6: Final answer
    x = 96,874.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.