Home / 82,146.02-123,219.63-28,835.46

Finding the Fourth Proportional to 82,146.02, 123,219.63 and 28,835.46

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Solution

The fourth proportional to 82,146.02, 123,219.63 and 28,835.46 is: 43,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,146.02 : 123,219.63 = 28,835.46 : x
  2. Step 2: Convert to fraction form
    82,146.02/123,219.63 = 28,835.46/x
  3. Step 3: Cross multiply
    82,146.02x = 123,219.63 × 28,835.46
  4. Step 4: Simplify right side
    82,146.02x = 3,553,094,712.08
  5. Step 5: Solve for x
    x = 3,553,094,712.08/82,146.02
  6. Step 6: Final answer
    x = 43,253.40

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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.