Home / 281,050.13-421,580.64-103,465.73

Finding the Fourth Proportional to 281,050.13, 421,580.64 and 103,465.73

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Solution

The fourth proportional to 281,050.13, 421,580.64 and 103,465.73 is: 155,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,050.13 : 421,580.64 = 103,465.73 : x
  2. Step 2: Convert to fraction form
    281,050.13/421,580.64 = 103,465.73/x
  3. Step 3: Cross multiply
    281,050.13x = 421,580.64 × 103,465.73
  4. Step 4: Simplify right side
    281,050.13x = 43,619,148,671.47
  5. Step 5: Solve for x
    x = 43,619,148,671.47/281,050.13
  6. Step 6: Final answer
    x = 155,200.60

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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.