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Finding the Fourth Proportional to 124,206.76, 171,408.90 and 67,619.08

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Solution

The fourth proportional to 124,206.76, 171,408.90 and 67,619.08 is: 93,316.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,206.76 : 171,408.90 = 67,619.08 : x
  2. Step 2: Convert to fraction form
    124,206.76/171,408.90 = 67,619.08/x
  3. Step 3: Cross multiply
    124,206.76x = 171,408.90 × 67,619.08
  4. Step 4: Simplify right side
    124,206.76x = 11,590,512,121.81
  5. Step 5: Solve for x
    x = 11,590,512,121.81/124,206.76
  6. Step 6: Final answer
    x = 93,316.27

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1.5x scale

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.