Home / 185,440.64-278,275.18-73,101.74

Finding the Fourth Proportional to 185,440.64, 278,275.18 and 73,101.74

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Solution

The fourth proportional to 185,440.64, 278,275.18 and 73,101.74 is: 109,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,440.64 : 278,275.18 = 73,101.74 : x
  2. Step 2: Convert to fraction form
    185,440.64/278,275.18 = 73,101.74/x
  3. Step 3: Cross multiply
    185,440.64x = 278,275.18 × 73,101.74
  4. Step 4: Simplify right side
    185,440.64x = 20,342,400,369.75
  5. Step 5: Solve for x
    x = 20,342,400,369.75/185,440.64
  6. Step 6: Final answer
    x = 109,697.64

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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.