Home / 134,719.86-185,909.13-74,293.05

Finding the Fourth Proportional to 134,719.86, 185,909.13 and 74,293.05

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Solution

The fourth proportional to 134,719.86, 185,909.13 and 74,293.05 is: 102,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,719.86 : 185,909.13 = 74,293.05 : x
  2. Step 2: Convert to fraction form
    134,719.86/185,909.13 = 74,293.05/x
  3. Step 3: Cross multiply
    134,719.86x = 185,909.13 × 74,293.05
  4. Step 4: Simplify right side
    134,719.86x = 13,811,756,290.55
  5. Step 5: Solve for x
    x = 13,811,756,290.55/134,719.86
  6. Step 6: Final answer
    x = 102,522.05

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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.