Home / 185,451.03-278,103.76-65,482.40

Finding the Fourth Proportional to 185,451.03, 278,103.76 and 65,482.40

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Solution

The fourth proportional to 185,451.03, 278,103.76 and 65,482.40 is: 98,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,451.03 : 278,103.76 = 65,482.40 : x
  2. Step 2: Convert to fraction form
    185,451.03/278,103.76 = 65,482.40/x
  3. Step 3: Cross multiply
    185,451.03x = 278,103.76 × 65,482.40
  4. Step 4: Simplify right side
    185,451.03x = 18,210,901,653.82
  5. Step 5: Solve for x
    x = 18,210,901,653.82/185,451.03
  6. Step 6: Final answer
    x = 98,197.90

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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.