Home / 129,159.42-193,733.73-44,938.68

Finding the Fourth Proportional to 129,159.42, 193,733.73 and 44,938.68

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Solution

The fourth proportional to 129,159.42, 193,733.73 and 44,938.68 is: 67,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,159.42 : 193,733.73 = 44,938.68 : x
  2. Step 2: Convert to fraction form
    129,159.42/193,733.73 = 44,938.68/x
  3. Step 3: Cross multiply
    129,159.42x = 193,733.73 × 44,938.68
  4. Step 4: Simplify right side
    129,159.42x = 8,706,138,097.68
  5. Step 5: Solve for x
    x = 8,706,138,097.68/129,159.42
  6. Step 6: Final answer
    x = 67,406.14

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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.