Home / 86,371.92-118,416.34-84,797.52

Finding the Fourth Proportional to 86,371.92, 118,416.34 and 84,797.52

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Solution

The fourth proportional to 86,371.92, 118,416.34 and 84,797.52 is: 116,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,371.92 : 118,416.34 = 84,797.52 : x
  2. Step 2: Convert to fraction form
    86,371.92/118,416.34 = 84,797.52/x
  3. Step 3: Cross multiply
    86,371.92x = 118,416.34 × 84,797.52
  4. Step 4: Simplify right side
    86,371.92x = 10,041,411,959.48
  5. Step 5: Solve for x
    x = 10,041,411,959.48/86,371.92
  6. Step 6: Final answer
    x = 116,257.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.