Home / 147,816.60-221,724.90-103,493.40

Finding the Fourth Proportional to 147,816.60, 221,724.90 and 103,493.40

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Solution

The fourth proportional to 147,816.60, 221,724.90 and 103,493.40 is: 155,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,816.60 : 221,724.90 = 103,493.40 : x
  2. Step 2: Convert to fraction form
    147,816.60/221,724.90 = 103,493.40/x
  3. Step 3: Cross multiply
    147,816.60x = 221,724.90 × 103,493.40
  4. Step 4: Simplify right side
    147,816.60x = 22,947,063,765.66
  5. Step 5: Solve for x
    x = 22,947,063,765.66/147,816.60
  6. Step 6: Final answer
    x = 155,240.10

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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.