Home / 140,799.72-210,674.64-139,225.08

Finding the Fourth Proportional to 140,799.72, 210,674.64 and 139,225.08

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Solution

The fourth proportional to 140,799.72, 210,674.64 and 139,225.08 is: 208,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,799.72 : 210,674.64 = 139,225.08 : x
  2. Step 2: Convert to fraction form
    140,799.72/210,674.64 = 139,225.08/x
  3. Step 3: Cross multiply
    140,799.72x = 210,674.64 × 139,225.08
  4. Step 4: Simplify right side
    140,799.72x = 29,331,193,607.97
  5. Step 5: Solve for x
    x = 29,331,193,607.97/140,799.72
  6. Step 6: Final answer
    x = 208,318.55

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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.