Home / 86,323.14-119,159.38-67,466.34

Finding the Fourth Proportional to 86,323.14, 119,159.38 and 67,466.34

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Solution

The fourth proportional to 86,323.14, 119,159.38 and 67,466.34 is: 93,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,323.14 : 119,159.38 = 67,466.34 : x
  2. Step 2: Convert to fraction form
    86,323.14/119,159.38 = 67,466.34/x
  3. Step 3: Cross multiply
    86,323.14x = 119,159.38 × 67,466.34
  4. Step 4: Simplify right side
    86,323.14x = 8,039,247,245.27
  5. Step 5: Solve for x
    x = 8,039,247,245.27/86,323.14
  6. Step 6: Final answer
    x = 93,129.69

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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.