Home / 86,846.28-130,285.02-30,718.92

Finding the Fourth Proportional to 86,846.28, 130,285.02 and 30,718.92

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Solution

The fourth proportional to 86,846.28, 130,285.02 and 30,718.92 is: 46,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,846.28 : 130,285.02 = 30,718.92 : x
  2. Step 2: Convert to fraction form
    86,846.28/130,285.02 = 30,718.92/x
  3. Step 3: Cross multiply
    86,846.28x = 130,285.02 × 30,718.92
  4. Step 4: Simplify right side
    86,846.28x = 4,002,215,106.58
  5. Step 5: Solve for x
    x = 4,002,215,106.58/86,846.28
  6. Step 6: Final answer
    x = 46,083.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.