Home / 145,445.44-218,170.86-45,603.40

Finding the Fourth Proportional to 145,445.44, 218,170.86 and 45,603.40

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Solution

The fourth proportional to 145,445.44, 218,170.86 and 45,603.40 is: 68,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,445.44 : 218,170.86 = 45,603.40 : x
  2. Step 2: Convert to fraction form
    145,445.44/218,170.86 = 45,603.40/x
  3. Step 3: Cross multiply
    145,445.44x = 218,170.86 × 45,603.40
  4. Step 4: Simplify right side
    145,445.44x = 9,949,332,996.92
  5. Step 5: Solve for x
    x = 9,949,332,996.92/145,445.44
  6. Step 6: Final answer
    x = 68,405.95

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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.