Home / 129,140.74-193,722.27-35,646.49

Finding the Fourth Proportional to 129,140.74, 193,722.27 and 35,646.49

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Solution

The fourth proportional to 129,140.74, 193,722.27 and 35,646.49 is: 53,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,140.74 : 193,722.27 = 35,646.49 : x
  2. Step 2: Convert to fraction form
    129,140.74/193,722.27 = 35,646.49/x
  3. Step 3: Cross multiply
    129,140.74x = 193,722.27 × 35,646.49
  4. Step 4: Simplify right side
    129,140.74x = 6,905,518,960.33
  5. Step 5: Solve for x
    x = 6,905,518,960.33/129,140.74
  6. Step 6: Final answer
    x = 53,472.82

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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.