Home / 134,681.43-185,861.67-74,254.42

Finding the Fourth Proportional to 134,681.43, 185,861.67 and 74,254.42

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Solution

The fourth proportional to 134,681.43, 185,861.67 and 74,254.42 is: 102,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,681.43 : 185,861.67 = 74,254.42 : x
  2. Step 2: Convert to fraction form
    134,681.43/185,861.67 = 74,254.42/x
  3. Step 3: Cross multiply
    134,681.43x = 185,861.67 × 74,254.42
  4. Step 4: Simplify right side
    134,681.43x = 13,801,050,506.08
  5. Step 5: Solve for x
    x = 13,801,050,506.08/134,681.43
  6. Step 6: Final answer
    x = 102,471.81

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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.