Home / 123,899.40-185,849.10-45,003.52

Finding the Fourth Proportional to 123,899.40, 185,849.10 and 45,003.52

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Solution

The fourth proportional to 123,899.40, 185,849.10 and 45,003.52 is: 67,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,899.40 : 185,849.10 = 45,003.52 : x
  2. Step 2: Convert to fraction form
    123,899.40/185,849.10 = 45,003.52/x
  3. Step 3: Cross multiply
    123,899.40x = 185,849.10 × 45,003.52
  4. Step 4: Simplify right side
    123,899.40x = 8,363,863,688.83
  5. Step 5: Solve for x
    x = 8,363,863,688.83/123,899.40
  6. Step 6: Final answer
    x = 67,505.28

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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.