Home / 86,408.03-119,228.63-48,159.20

Finding the Fourth Proportional to 86,408.03, 119,228.63 and 48,159.20

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Solution

The fourth proportional to 86,408.03, 119,228.63 and 48,159.20 is: 66,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,408.03 : 119,228.63 = 48,159.20 : x
  2. Step 2: Convert to fraction form
    86,408.03/119,228.63 = 48,159.20/x
  3. Step 3: Cross multiply
    86,408.03x = 119,228.63 × 48,159.20
  4. Step 4: Simplify right side
    86,408.03x = 5,741,954,600.96
  5. Step 5: Solve for x
    x = 5,741,954,600.96/86,408.03
  6. Step 6: Final answer
    x = 66,451.64

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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.