Home / 82,165.02-123,298.55-52,604.07

Finding the Fourth Proportional to 82,165.02, 123,298.55 and 52,604.07

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Solution

The fourth proportional to 82,165.02, 123,298.55 and 52,604.07 is: 78,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,165.02 : 123,298.55 = 52,604.07 : x
  2. Step 2: Convert to fraction form
    82,165.02/123,298.55 = 52,604.07/x
  3. Step 3: Cross multiply
    82,165.02x = 123,298.55 × 52,604.07
  4. Step 4: Simplify right side
    82,165.02x = 6,486,005,555.10
  5. Step 5: Solve for x
    x = 6,486,005,555.10/82,165.02
  6. Step 6: Final answer
    x = 78,938.77

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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.