Home / 129,681.03-194,466.45-50,782.71

Finding the Fourth Proportional to 129,681.03, 194,466.45 and 50,782.71

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Solution

The fourth proportional to 129,681.03, 194,466.45 and 50,782.71 is: 76,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,681.03 : 194,466.45 = 50,782.71 : x
  2. Step 2: Convert to fraction form
    129,681.03/194,466.45 = 50,782.71/x
  3. Step 3: Cross multiply
    129,681.03x = 194,466.45 × 50,782.71
  4. Step 4: Simplify right side
    129,681.03x = 9,875,533,335.08
  5. Step 5: Solve for x
    x = 9,875,533,335.08/129,681.03
  6. Step 6: Final answer
    x = 76,152.49

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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.