Home / 185,645.40-278,468.10-45,404.03

Finding the Fourth Proportional to 185,645.40, 278,468.10 and 45,404.03

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Solution

The fourth proportional to 185,645.40, 278,468.10 and 45,404.03 is: 68,106.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,645.40 : 278,468.10 = 45,404.03 : x
  2. Step 2: Convert to fraction form
    185,645.40/278,468.10 = 45,404.03/x
  3. Step 3: Cross multiply
    185,645.40x = 278,468.10 × 45,404.03
  4. Step 4: Simplify right side
    185,645.40x = 12,643,572,574.10
  5. Step 5: Solve for x
    x = 12,643,572,574.10/185,645.40
  6. Step 6: Final answer
    x = 68,106.04

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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.