Home / 86,408.27-119,228.91-48,159.46

Finding the Fourth Proportional to 86,408.27, 119,228.91 and 48,159.46

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Solution

The fourth proportional to 86,408.27, 119,228.91 and 48,159.46 is: 66,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,408.27 : 119,228.91 = 48,159.46 : x
  2. Step 2: Convert to fraction form
    86,408.27/119,228.91 = 48,159.46/x
  3. Step 3: Cross multiply
    86,408.27x = 119,228.91 × 48,159.46
  4. Step 4: Simplify right side
    86,408.27x = 5,742,000,161.32
  5. Step 5: Solve for x
    x = 5,742,000,161.32/86,408.27
  6. Step 6: Final answer
    x = 66,451.98

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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.