Home / 86,386.14-119,216.88-48,148.20

Finding the Fourth Proportional to 86,386.14, 119,216.88 and 48,148.20

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Solution

The fourth proportional to 86,386.14, 119,216.88 and 48,148.20 is: 66,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,386.14 : 119,216.88 = 48,148.20 : x
  2. Step 2: Convert to fraction form
    86,386.14/119,216.88 = 48,148.20/x
  3. Step 3: Cross multiply
    86,386.14x = 119,216.88 × 48,148.20
  4. Step 4: Simplify right side
    86,386.14x = 5,740,078,181.62
  5. Step 5: Solve for x
    x = 5,740,078,181.62/86,386.14
  6. Step 6: Final answer
    x = 66,446.75

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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.