Home / 125,613.42-173,303.62-77,849.34

Finding the Fourth Proportional to 125,613.42, 173,303.62 and 77,849.34

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Solution

The fourth proportional to 125,613.42, 173,303.62 and 77,849.34 is: 107,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,613.42 : 173,303.62 = 77,849.34 : x
  2. Step 2: Convert to fraction form
    125,613.42/173,303.62 = 77,849.34/x
  3. Step 3: Cross multiply
    125,613.42x = 173,303.62 × 77,849.34
  4. Step 4: Simplify right side
    125,613.42x = 13,491,572,436.61
  5. Step 5: Solve for x
    x = 13,491,572,436.61/125,613.42
  6. Step 6: Final answer
    x = 107,405.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.