Home / 185,543.16-278,314.04-67,186.82

Finding the Fourth Proportional to 185,543.16, 278,314.04 and 67,186.82

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Solution

The fourth proportional to 185,543.16, 278,314.04 and 67,186.82 is: 100,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,543.16 : 278,314.04 = 67,186.82 : x
  2. Step 2: Convert to fraction form
    185,543.16/278,314.04 = 67,186.82/x
  3. Step 3: Cross multiply
    185,543.16x = 278,314.04 × 67,186.82
  4. Step 4: Simplify right side
    185,543.16x = 18,699,033,581.45
  5. Step 5: Solve for x
    x = 18,699,033,581.45/185,543.16
  6. Step 6: Final answer
    x = 100,779.97

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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.